{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47302", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T13:27:52.132Z", "datePublished": "2024-05-21T14:35:23.369Z", "dateUpdated": "2025-05-04T07:08:17.497Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:08:17.497Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigc: Fix use-after-free error during reset\n\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\n\nFailure to do so can cause invalid memory accesses. If igc_poll() runs\nwhile the controller is being reset this can lead to the driver try to\nfree a skb that was already freed.\n\nLog message:\n\n [ 101.525242] refcount_t: underflow; use-after-free.\n [ 101.525251] WARNING: CPU: 1 PID: 646 at lib/refcount.c:28 refcount_warn_saturate+0xab/0xf0\n [ 101.525259] Modules linked in: sch_etf(E) sch_mqprio(E) rfkill(E) intel_rapl_msr(E) intel_rapl_common(E)\n x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) binfmt_misc(E) kvm_intel(E) kvm(E) irqbypass(E) crc32_pclmul(E)\n ghash_clmulni_intel(E) aesni_intel(E) mei_wdt(E) libaes(E) crypto_simd(E) cryptd(E) glue_helper(E) snd_hda_codec_hdmi(E)\n rapl(E) intel_cstate(E) snd_hda_intel(E) snd_intel_dspcfg(E) sg(E) soundwire_intel(E) intel_uncore(E) at24(E)\n soundwire_generic_allocation(E) iTCO_wdt(E) soundwire_cadence(E) intel_pmc_bxt(E) serio_raw(E) snd_hda_codec(E)\n iTCO_vendor_support(E) watchdog(E) snd_hda_core(E) snd_hwdep(E) snd_soc_core(E) snd_compress(E) snd_pcsp(E)\n soundwire_bus(E) snd_pcm(E) evdev(E) snd_timer(E) mei_me(E) snd(E) soundcore(E) mei(E) configfs(E) ip_tables(E) x_tables(E)\n autofs4(E) ext4(E) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) sd_mod(E) t10_pi(E) crc_t10dif(E) crct10dif_generic(E)\n i915(E) ahci(E) libahci(E) ehci_pci(E) igb(E) xhci_pci(E) ehci_hcd(E)\n [ 101.525303] drm_kms_helper(E) dca(E) xhci_hcd(E) libata(E) crct10dif_pclmul(E) cec(E) crct10dif_common(E) tsn(E) igc(E)\n e1000e(E) ptp(E) i2c_i801(E) crc32c_intel(E) psmouse(E) i2c_algo_bit(E) i2c_smbus(E) scsi_mod(E) lpc_ich(E) pps_core(E)\n usbcore(E) drm(E) button(E) video(E)\n [ 101.525318] CPU: 1 PID: 646 Comm: irq/37-enp7s0-T Tainted: G E 5.10.30-rt37-tsn1-rt-ipipe #ipipe\n [ 101.525320] Hardware name: SIEMENS AG SIMATIC IPC427D/A5E31233588, BIOS V17.02.09 03/31/2017\n [ 101.525322] RIP: 0010:refcount_warn_saturate+0xab/0xf0\n [ 101.525325] Code: 05 31 48 44 01 01 e8 f0 c6 42 00 0f 0b c3 80 3d 1f 48 44 01 00 75 90 48 c7 c7 78 a8 f3 a6 c6 05 0f 48\n 44 01 01 e8 d1 c6 42 00 <0f> 0b c3 80 3d fe 47 44 01 00 0f 85 6d ff ff ff 48 c7 c7 d0 a8 f3\n [ 101.525327] RSP: 0018:ffffbdedc0917cb8 EFLAGS: 00010286\n [ 101.525329] RAX: 0000000000000000 RBX: ffff98fd6becbf40 RCX: 0000000000000001\n [ 101.525330] RDX: 0000000000000001 RSI: ffffffffa6f2700c RDI: 00000000ffffffff\n [ 101.525332] RBP: ffff98fd6becc14c R08: ffffffffa7463d00 R09: ffffbdedc0917c50\n [ 101.525333] R10: ffffffffa74c3578 R11: 0000000000000034 R12: 00000000ffffff00\n [ 101.525335] R13: ffff98fd6b0b1000 R14: 0000000000000039 R15: ffff98fd6be35c40\n [ 101.525337] FS: 0000000000000000(0000) GS:ffff98fd6e240000(0000) knlGS:0000000000000000\n [ 101.525339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n [ 101.525341] CR2: 00007f34135a3a70 CR3: 0000000150210003 CR4: 00000000001706e0\n [ 101.525343] Call Trace:\n [ 101.525346] sock_wfree+0x9c/0xa0\n [ 101.525353] unix_destruct_scm+0x7b/0xa0\n [ 101.525358] skb_release_head_state+0x40/0x90\n [ 101.525362] skb_release_all+0xe/0x30\n [ 101.525364] napi_consume_skb+0x57/0x160\n [ 101.525367] igc_poll+0xb7/0xc80 [igc]\n [ 101.525376] ? sched_clock+0x5/0x10\n [ 101.525381] ? sched_clock_cpu+0xe/0x100\n [ 101.525385] net_rx_action+0x14c/0x410\n [ 101.525388] __do_softirq+0xe9/0x2f4\n [ 101.525391] __local_bh_enable_ip+0xe3/0x110\n [ 101.525395] ? irq_finalize_oneshot.part.47+0xe0/0xe0\n [ 101.525398] irq_forced_thread_fn+0x6a/0x80\n [ 101.525401] irq_thread+0xe8/0x180\n [ 101.525403] ? wake_threads_waitq+0x30/0x30\n [ 101.525406] ? irq_thread_check_affinity+0xd0/0xd0\n [ 101.525408] kthread+0x183/0x1a0\n [ 101.525412] ? kthread_park+0x80/0x80\n [ 101.525415] ret_from_fork+0x22/0x30"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/igc/igc_main.c"], "versions": [{"version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "a9508e0edfe369ac95d0825bcdca976436ce780f", "status": "affected", "versionType": "git"}, {"version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "e15f629036bac005fc758b4ad17896cf2312add4", "status": "affected", "versionType": "git"}, {"version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "ea5e36b7367ea0a36ef73a163768f16d2977bd83", "status": "affected", "versionType": "git"}, {"version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "56ea7ed103b46970e171eb1c95916f393d64eeff", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/intel/igc/igc_main.c"], "versions": [{"version": "4.20", "status": "affected"}, {"version": "0", "lessThan": "4.20", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.136", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.54", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13.6", "lessThanOrEqual": "5.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.14", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.4.136"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.10.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.13.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a9508e0edfe369ac95d0825bcdca976436ce780f"}, {"url": "https://git.kernel.org/stable/c/e15f629036bac005fc758b4ad17896cf2312add4"}, {"url": "https://git.kernel.org/stable/c/ea5e36b7367ea0a36ef73a163768f16d2977bd83"}, {"url": "https://git.kernel.org/stable/c/56ea7ed103b46970e171eb1c95916f393d64eeff"}], "title": "igc: Fix use-after-free error during reset", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:08.372Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/a9508e0edfe369ac95d0825bcdca976436ce780f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e15f629036bac005fc758b4ad17896cf2312add4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ea5e36b7367ea0a36ef73a163768f16d2977bd83", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/56ea7ed103b46970e171eb1c95916f393d64eeff", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47302", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:39:15.837456Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:53.991Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/a9508e0edfe369ac95d0825bcdca976436ce780f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e15f629036bac005fc758b4ad17896cf2312add4", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ea5e36b7367ea0a36ef73a163768f16d2977bd83", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/56ea7ed103b46970e171eb1c95916f393d64eeff", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:08.372Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47302", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:39:15.837456Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:19.504Z"}}], "cna": {"title": "igc: Fix use-after-free error during reset", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "a9508e0edfe369ac95d0825bcdca976436ce780f", "versionType": "git"}, {"status": "affected", "version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "e15f629036bac005fc758b4ad17896cf2312add4", "versionType": "git"}, {"status": "affected", "version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "ea5e36b7367ea0a36ef73a163768f16d2977bd83", "versionType": "git"}, {"status": "affected", "version": "13b5b7fd6a4a96dffe604f25e7b64cfbd9520924", "lessThan": "56ea7ed103b46970e171eb1c95916f393d64eeff", "versionType": "git"}], "programFiles": ["drivers/net/ethernet/intel/igc/igc_main.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.20"}, {"status": "unaffected", "version": "0", "lessThan": "4.20", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.136", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.54", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.13.6", "versionType": "semver", "lessThanOrEqual": "5.13.*"}, {"status": "unaffected", "version": "5.14", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/ethernet/intel/igc/igc_main.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/a9508e0edfe369ac95d0825bcdca976436ce780f"}, {"url": "https://git.kernel.org/stable/c/e15f629036bac005fc758b4ad17896cf2312add4"}, {"url": "https://git.kernel.org/stable/c/ea5e36b7367ea0a36ef73a163768f16d2977bd83"}, {"url": "https://git.kernel.org/stable/c/56ea7ed103b46970e171eb1c95916f393d64eeff"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigc: Fix use-after-free error during reset\n\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\n\nFailure to do so can cause invalid memory accesses. If igc_poll() runs\nwhile the controller is being reset this can lead to the driver try to\nfree a skb that was already freed.\n\nLog message:\n\n [ 101.525242] refcount_t: underflow; use-after-free.\n [ 101.525251] WARNING: CPU: 1 PID: 646 at lib/refcount.c:28 refcount_warn_saturate+0xab/0xf0\n [ 101.525259] Modules linked in: sch_etf(E) sch_mqprio(E) rfkill(E) intel_rapl_msr(E) intel_rapl_common(E)\n x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) binfmt_misc(E) kvm_intel(E) kvm(E) irqbypass(E) crc32_pclmul(E)\n ghash_clmulni_intel(E) aesni_intel(E) mei_wdt(E) libaes(E) crypto_simd(E) cryptd(E) glue_helper(E) snd_hda_codec_hdmi(E)\n rapl(E) intel_cstate(E) snd_hda_intel(E) snd_intel_dspcfg(E) sg(E) soundwire_intel(E) intel_uncore(E) at24(E)\n soundwire_generic_allocation(E) iTCO_wdt(E) soundwire_cadence(E) intel_pmc_bxt(E) serio_raw(E) snd_hda_codec(E)\n iTCO_vendor_support(E) watchdog(E) snd_hda_core(E) snd_hwdep(E) snd_soc_core(E) snd_compress(E) snd_pcsp(E)\n soundwire_bus(E) snd_pcm(E) evdev(E) snd_timer(E) mei_me(E) snd(E) soundcore(E) mei(E) configfs(E) ip_tables(E) x_tables(E)\n autofs4(E) ext4(E) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) sd_mod(E) t10_pi(E) crc_t10dif(E) crct10dif_generic(E)\n i915(E) ahci(E) libahci(E) ehci_pci(E) igb(E) xhci_pci(E) ehci_hcd(E)\n [ 101.525303] drm_kms_helper(E) dca(E) xhci_hcd(E) libata(E) crct10dif_pclmul(E) cec(E) crct10dif_common(E) tsn(E) igc(E)\n e1000e(E) ptp(E) i2c_i801(E) crc32c_intel(E) psmouse(E) i2c_algo_bit(E) i2c_smbus(E) scsi_mod(E) lpc_ich(E) pps_core(E)\n usbcore(E) drm(E) button(E) video(E)\n [ 101.525318] CPU: 1 PID: 646 Comm: irq/37-enp7s0-T Tainted: G E 5.10.30-rt37-tsn1-rt-ipipe #ipipe\n [ 101.525320] Hardware name: SIEMENS AG SIMATIC IPC427D/A5E31233588, BIOS V17.02.09 03/31/2017\n [ 101.525322] RIP: 0010:refcount_warn_saturate+0xab/0xf0\n [ 101.525325] Code: 05 31 48 44 01 01 e8 f0 c6 42 00 0f 0b c3 80 3d 1f 48 44 01 00 75 90 48 c7 c7 78 a8 f3 a6 c6 05 0f 48\n 44 01 01 e8 d1 c6 42 00 <0f> 0b c3 80 3d fe 47 44 01 00 0f 85 6d ff ff ff 48 c7 c7 d0 a8 f3\n [ 101.525327] RSP: 0018:ffffbdedc0917cb8 EFLAGS: 00010286\n [ 101.525329] RAX: 0000000000000000 RBX: ffff98fd6becbf40 RCX: 0000000000000001\n [ 101.525330] RDX: 0000000000000001 RSI: ffffffffa6f2700c RDI: 00000000ffffffff\n [ 101.525332] RBP: ffff98fd6becc14c R08: ffffffffa7463d00 R09: ffffbdedc0917c50\n [ 101.525333] R10: ffffffffa74c3578 R11: 0000000000000034 R12: 00000000ffffff00\n [ 101.525335] R13: ffff98fd6b0b1000 R14: 0000000000000039 R15: ffff98fd6be35c40\n [ 101.525337] FS: 0000000000000000(0000) GS:ffff98fd6e240000(0000) knlGS:0000000000000000\n [ 101.525339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n [ 101.525341] CR2: 00007f34135a3a70 CR3: 0000000150210003 CR4: 00000000001706e0\n [ 101.525343] Call Trace:\n [ 101.525346] sock_wfree+0x9c/0xa0\n [ 101.525353] unix_destruct_scm+0x7b/0xa0\n [ 101.525358] skb_release_head_state+0x40/0x90\n [ 101.525362] skb_release_all+0xe/0x30\n [ 101.525364] napi_consume_skb+0x57/0x160\n [ 101.525367] igc_poll+0xb7/0xc80 [igc]\n [ 101.525376] ? sched_clock+0x5/0x10\n [ 101.525381] ? sched_clock_cpu+0xe/0x100\n [ 101.525385] net_rx_action+0x14c/0x410\n [ 101.525388] __do_softirq+0xe9/0x2f4\n [ 101.525391] __local_bh_enable_ip+0xe3/0x110\n [ 101.525395] ? irq_finalize_oneshot.part.47+0xe0/0xe0\n [ 101.525398] irq_forced_thread_fn+0x6a/0x80\n [ 101.525401] irq_thread+0xe8/0x180\n [ 101.525403] ? wake_threads_waitq+0x30/0x30\n [ 101.525406] ? irq_thread_check_affinity+0xd0/0xd0\n [ 101.525408] kthread+0x183/0x1a0\n [ 101.525412] ? kthread_park+0x80/0x80\n [ 101.525415] ret_from_fork+0x22/0x30"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.136", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.54", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.13.6", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.14", "versionStartIncluding": "4.20"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:08:17.497Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47302", "state": "PUBLISHED", "dateUpdated": "2025-05-04T07:08:17.497Z", "dateReserved": "2024-05-21T13:27:52.132Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-21T14:35:23.369Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E1FCD98C-8886-4844-B7AF-C42731DF9465", "versionEndExcluding": "5.4.136", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1BD5A2EE-859F-40FC-BDAC-167AAE37C870", "versionEndExcluding": "5.10.54", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "512C22FC-1524-4E6F-9E62-4F4B7B6E0576", "versionEndExcluding": "5.13.6", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "71268287-21A8-4488-AA4F-23C473153131", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nigc: Fix use-after-free error during reset\n\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\n\nFailure to do so can cause invalid memory accesses. If igc_poll() runs\nwhile the controller is being reset this can lead to the driver try to\nfree a skb that was already freed.\n\nLog message:\n\n [ 101.525242] refcount_t: underflow; use-after-free.\n [ 101.525251] WARNING: CPU: 1 PID: 646 at lib/refcount.c:28 refcount_warn_saturate+0xab/0xf0\n [ 101.525259] Modules linked in: sch_etf(E) sch_mqprio(E) rfkill(E) intel_rapl_msr(E) intel_rapl_common(E)\n x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) binfmt_misc(E) kvm_intel(E) kvm(E) irqbypass(E) crc32_pclmul(E)\n ghash_clmulni_intel(E) aesni_intel(E) mei_wdt(E) libaes(E) crypto_simd(E) cryptd(E) glue_helper(E) snd_hda_codec_hdmi(E)\n rapl(E) intel_cstate(E) snd_hda_intel(E) snd_intel_dspcfg(E) sg(E) soundwire_intel(E) intel_uncore(E) at24(E)\n soundwire_generic_allocation(E) iTCO_wdt(E) soundwire_cadence(E) intel_pmc_bxt(E) serio_raw(E) snd_hda_codec(E)\n iTCO_vendor_support(E) watchdog(E) snd_hda_core(E) snd_hwdep(E) snd_soc_core(E) snd_compress(E) snd_pcsp(E)\n soundwire_bus(E) snd_pcm(E) evdev(E) snd_timer(E) mei_me(E) snd(E) soundcore(E) mei(E) configfs(E) ip_tables(E) x_tables(E)\n autofs4(E) ext4(E) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) sd_mod(E) t10_pi(E) crc_t10dif(E) crct10dif_generic(E)\n i915(E) ahci(E) libahci(E) ehci_pci(E) igb(E) xhci_pci(E) ehci_hcd(E)\n [ 101.525303] drm_kms_helper(E) dca(E) xhci_hcd(E) libata(E) crct10dif_pclmul(E) cec(E) crct10dif_common(E) tsn(E) igc(E)\n e1000e(E) ptp(E) i2c_i801(E) crc32c_intel(E) psmouse(E) i2c_algo_bit(E) i2c_smbus(E) scsi_mod(E) lpc_ich(E) pps_core(E)\n usbcore(E) drm(E) button(E) video(E)\n [ 101.525318] CPU: 1 PID: 646 Comm: irq/37-enp7s0-T Tainted: G E 5.10.30-rt37-tsn1-rt-ipipe #ipipe\n [ 101.525320] Hardware name: SIEMENS AG SIMATIC IPC427D/A5E31233588, BIOS V17.02.09 03/31/2017\n [ 101.525322] RIP: 0010:refcount_warn_saturate+0xab/0xf0\n [ 101.525325] Code: 05 31 48 44 01 01 e8 f0 c6 42 00 0f 0b c3 80 3d 1f 48 44 01 00 75 90 48 c7 c7 78 a8 f3 a6 c6 05 0f 48\n 44 01 01 e8 d1 c6 42 00 <0f> 0b c3 80 3d fe 47 44 01 00 0f 85 6d ff ff ff 48 c7 c7 d0 a8 f3\n [ 101.525327] RSP: 0018:ffffbdedc0917cb8 EFLAGS: 00010286\n [ 101.525329] RAX: 0000000000000000 RBX: ffff98fd6becbf40 RCX: 0000000000000001\n [ 101.525330] RDX: 0000000000000001 RSI: ffffffffa6f2700c RDI: 00000000ffffffff\n [ 101.525332] RBP: ffff98fd6becc14c R08: ffffffffa7463d00 R09: ffffbdedc0917c50\n [ 101.525333] R10: ffffffffa74c3578 R11: 0000000000000034 R12: 00000000ffffff00\n [ 101.525335] R13: ffff98fd6b0b1000 R14: 0000000000000039 R15: ffff98fd6be35c40\n [ 101.525337] FS: 0000000000000000(0000) GS:ffff98fd6e240000(0000) knlGS:0000000000000000\n [ 101.525339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n [ 101.525341] CR2: 00007f34135a3a70 CR3: 0000000150210003 CR4: 00000000001706e0\n [ 101.525343] Call Trace:\n [ 101.525346] sock_wfree+0x9c/0xa0\n [ 101.525353] unix_destruct_scm+0x7b/0xa0\n [ 101.525358] skb_release_head_state+0x40/0x90\n [ 101.525362] skb_release_all+0xe/0x30\n [ 101.525364] napi_consume_skb+0x57/0x160\n [ 101.525367] igc_poll+0xb7/0xc80 [igc]\n [ 101.525376] ? sched_clock+0x5/0x10\n [ 101.525381] ? sched_clock_cpu+0xe/0x100\n [ 101.525385] net_rx_action+0x14c/0x410\n [ 101.525388] __do_softirq+0xe9/0x2f4\n [ 101.525391] __local_bh_enable_ip+0xe3/0x110\n [ 101.525395] ? irq_finalize_oneshot.part.47+0xe0/0xe0\n [ 101.525398] irq_forced_thread_fn+0x6a/0x80\n [ 101.525401] irq_thread+0xe8/0x180\n [ 101.525403] ? wake_threads_waitq+0x30/0x30\n [ 101.525406] ? irq_thread_check_affinity+0xd0/0xd0\n [ 101.525408] kthread+0x183/0x1a0\n [ 101.525412] ? kthread_park+0x80/0x80\n [ 101.525415] ret_from_fork+0x22/0x30"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: igc: corrige el error de use after free durante el reinicio. Limpia el siguiente descriptor a observar (next_to_watch) al limpiar el anillo TX. De lo contrario, se pueden producir accesos a la memoria no v\u00e1lidos. Si igc_poll() se ejecuta mientras se reinicia el controlador, esto puede hacer que el controlador intente liberar un skb que ya estaba liberado. Mensaje de registro: [101.525242] refcount_t: desbordamiento insuficiente; use after free. [101.525251] ADVERTENCIA: CPU: 1 PID: 646 AT LIB/REFCOUNT.C: 28 RefCount_warn_saturate+0xab/0xf0 [101.525259] M\u00f3dulos vinculados en: Sch_etf (E) Sch_Mqprio (E) RFKILL (E) INTEL_RAPL_MSR (E) INTER ) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) binfmt_misc(E) kvm_intel(E) kvm(E) irqbypass(E) crc32_pclmul(E) ghash_clmulni_intel(E) aesni_intel(E) mei_wdt(E) libaes(E) crypto_simd (E) cryptd(E) pegamento_helper(E) snd_hda_codec_hdmi(E) rapl(E) intel_cstate(E) snd_hda_intel(E) snd_intel_dspcfg(E) sg(E) soundwire_intel(E) intel_uncore(E) at24(E) soundwire_generic_allocation(E) ) iTCO_wdt(E) soundwire_cadence(E) intel_pmc_bxt(E) serio_raw(E) snd_hda_codec(E) iTCO_vendor_support(E) watchdog(E) snd_hda_core(E) snd_hwdep(E) snd_soc_core(E) snd_compress(E) snd_pcsp(E) soundwire_bus (E) snd_pcm(E) evdev(E) snd_timer(E) mei_me(E) snd(E) soundcore(E) mei(E) configfs(E) ip_tables(E) x_tables(E) autofs4(E) text4(E ) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) sd_mod(E) t10_pi(E) crc_t10dif(E) crct10dif_generic(E) i915(E) ahci(E) libahci(E) ehci_pci(E) igb (E) xhci_pci(E) ehci_hcd(E) [ 101.525303] drm_kms_helper(E) dca(E) xhci_hcd(E) libata(E) crct10dif_pclmul(E) cec(E) crct10dif_common(E) tsn(E) igc(E) e1000e(E) ptp(E) i2c_i801(E) crc32c_intel(E) psmouse(E) i2c_algo_bit(E) i2c_smbus(E) scsi_mod(E) lpc_ich(E) pps_core(E) usbcore(E) drm(E) button( E) video(E) [ 101.525318] CPU: 1 PID: 646 Comm: irq/37-enp7s0-T Contaminado: GE 5.10.30-rt37-tsn1-rt-ipipe #ipipe [ 101.525320] Nombre de hardware: SIEMENS AG SIMATIC IPC427D /A5E31233588, BIOS V17.02.09 31/03/2017 [ 101.525322] RIP: 0010:refcount_warn_saturate+0xab/0xf0 [ 101.525325] C\u00f3digo: 05 31 48 44 01 01 e8 f0 c6 42 00 0b c3 80 3d 1f 48 44 01 00 75 90 48 c7 c7 78 a8 f3 a6 c6 05 0f 48 44 01 01 e8 d1 c6 42 00 &lt;0f&gt; 0b c3 80 3d fe 47 44 01 00 0f 85 6d ff ff 48 c7 c7 d0 a8 f3 [ 101.525327] RSP: 0018:ffffbdedc0917cb8 EFLAGS: 00010286 [ 101.525329] RAX: 0000000000000000 RBX: ffff98fd6becbf40 RCX: 0000000000000001 [ 101.525330] RDX: 000000000001 RSI: ffffffffa6f2700c RDI: 00000000ffffffff [ 101.525332] RBP: ffff98fd6becc14c R08: ffffffffa7463d00 R09: ffffbdedc0917c50 [ 101.525333] fffffa74c3578 R11: 0000000000000034 R12: 00000000ffffff00 [ 101.525335] R13: ffff98fd6b0b1000 R14: 00000000000000039 R15: ffff98fd6be35c40 [ 101.525337] FS: 0000000000000000(0000) GS:ffff98fd6e240000(0000) knlGS:0000000000000000 [ 101.525339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 101.525341] CR2: 00007f34135a3a70 CR3: 0000000150210003 CR4: 00000000001706e0 [ 101.525343] Seguimiento de llamadas: [ 101.525346] sock_wfree+0x9c/0xa0 [ 101.52 5353] unix_destruct_scm+0x7b/0xa0 [ 101.525358] skb_release_head_state+0x40/0x90 [ 101.525362] skb_release_all+0xe/0x30 [ 101.525364] napi_consume_skb+0x57/0x160 [ 101.525367] igc_poll+0xb7/0xc80 [igc] [ 101.525376] ? sched_clock+0x5/0x10 [101.525381]? sched_clock_cpu+0xe/0x100 [ 101.525385] net_rx_action+0x14c/0x410 [ 101.525388] __do_softirq+0xe9/0x2f4 [ 101.525391] __local_bh_enable_ip+0xe3/0x110 [ 5395] ? irq_finalize_oneshot.part.47+0xe0/0xe0 [ 101.525398] irq_forced_thread_fn+0x6a/0x80 [ 101.525401] irq_thread+0xe8/0x180 [ 101.525403] ? wake_threads_waitq+0x30/0x30 [101.525406]? irq_thread_check_affinity+0xd0/0xd0 [ 101.525408] kthread+0x183/0x1a0 [ 101.525412] ? kthread_park+0x80/0x80 [ 101.525415] ret_from_fork+0x22/0x30"}], "id": "CVE-2021-47302", "lastModified": "2024-12-26T20:44:51.377", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "[email protected]", "type": "Primary"}]}, "published": "2024-05-21T15:15:17.960", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/56ea7ed103b46970e171eb1c95916f393d64eeff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a9508e0edfe369ac95d0825bcdca976436ce780f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e15f629036bac005fc758b4ad17896cf2312add4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea5e36b7367ea0a36ef73a163768f16d2977bd83"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/56ea7ed103b46970e171eb1c95916f393d64eeff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a9508e0edfe369ac95d0825bcdca976436ce780f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e15f629036bac005fc758b4ad17896cf2312add4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea5e36b7367ea0a36ef73a163768f16d2977bd83"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: igc: Fix use-after-free error during reset", "id": "2282481", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282481"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.2", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nigc: Fix use-after-free error during reset\nCleans the next descriptor to watch (next_to_watch) when cleaning the\nTX ring.\nFailure to do so can cause invalid memory accesses. If igc_poll() runs\nwhile the controller is being reset this can lead to the driver try to\nfree a skb that was already freed.\nLog message:\n[ 101.525242] refcount_t: underflow; use-after-free.\n[ 101.525251] WARNING: CPU: 1 PID: 646 at lib/refcount.c:28 refcount_warn_saturate+0xab/0xf0\n[ 101.525259] Modules linked in: sch_etf(E) sch_mqprio(E) rfkill(E) intel_rapl_msr(E) intel_rapl_common(E)\nx86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) binfmt_misc(E) kvm_intel(E) kvm(E) irqbypass(E) crc32_pclmul(E)\nghash_clmulni_intel(E) aesni_intel(E) mei_wdt(E) libaes(E) crypto_simd(E) cryptd(E) glue_helper(E) snd_hda_codec_hdmi(E)\nrapl(E) intel_cstate(E) snd_hda_intel(E) snd_intel_dspcfg(E) sg(E) soundwire_intel(E) intel_uncore(E) at24(E)\nsoundwire_generic_allocation(E) iTCO_wdt(E) soundwire_cadence(E) intel_pmc_bxt(E) serio_raw(E) snd_hda_codec(E)\niTCO_vendor_support(E) watchdog(E) snd_hda_core(E) snd_hwdep(E) snd_soc_core(E) snd_compress(E) snd_pcsp(E)\nsoundwire_bus(E) snd_pcm(E) evdev(E) snd_timer(E) mei_me(E) snd(E) soundcore(E) mei(E) configfs(E) ip_tables(E) x_tables(E)\nautofs4(E) ext4(E) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) sd_mod(E) t10_pi(E) crc_t10dif(E) crct10dif_generic(E)\ni915(E) ahci(E) libahci(E) ehci_pci(E) igb(E) xhci_pci(E) ehci_hcd(E)\n[ 101.525303] drm_kms_helper(E) dca(E) xhci_hcd(E) libata(E) crct10dif_pclmul(E) cec(E) crct10dif_common(E) tsn(E) igc(E)\ne1000e(E) ptp(E) i2c_i801(E) crc32c_intel(E) psmouse(E) i2c_algo_bit(E) i2c_smbus(E) scsi_mod(E) lpc_ich(E) pps_core(E)\nusbcore(E) drm(E) button(E) video(E)\n[ 101.525318] CPU: 1 PID: 646 Comm: irq/37-enp7s0-T Tainted: G E 5.10.30-rt37-tsn1-rt-ipipe #ipipe\n[ 101.525320] Hardware name: SIEMENS AG SIMATIC IPC427D/A5E31233588, BIOS V17.02.09 03/31/2017\n[ 101.525322] RIP: 0010:refcount_warn_saturate+0xab/0xf0\n[ 101.525325] Code: 05 31 48 44 01 01 e8 f0 c6 42 00 0f 0b c3 80 3d 1f 48 44 01 00 75 90 48 c7 c7 78 a8 f3 a6 c6 05 0f 48\n44 01 01 e8 d1 c6 42 00 <0f> 0b c3 80 3d fe 47 44 01 00 0f 85 6d ff ff ff 48 c7 c7 d0 a8 f3\n[ 101.525327] RSP: 0018:ffffbdedc0917cb8 EFLAGS: 00010286\n[ 101.525329] RAX: 0000000000000000 RBX: ffff98fd6becbf40 RCX: 0000000000000001\n[ 101.525330] RDX: 0000000000000001 RSI: ffffffffa6f2700c RDI: 00000000ffffffff\n[ 101.525332] RBP: ffff98fd6becc14c R08: ffffffffa7463d00 R09: ffffbdedc0917c50\n[ 101.525333] R10: ffffffffa74c3578 R11: 0000000000000034 R12: 00000000ffffff00\n[ 101.525335] R13: ffff98fd6b0b1000 R14: 0000000000000039 R15: ffff98fd6be35c40\n[ 101.525337] FS: 0000000000000000(0000) GS:ffff98fd6e240000(0000) knlGS:0000000000000000\n[ 101.525339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 101.525341] CR2: 00007f34135a3a70 CR3: 0000000150210003 CR4: 00000000001706e0\n[ 101.525343] Call Trace:\n[ 101.525346] sock_wfree+0x9c/0xa0\n[ 101.525353] unix_destruct_scm+0x7b/0xa0\n[ 101.525358] skb_release_head_state+0x40/0x90\n[ 101.525362] skb_release_all+0xe/0x30\n[ 101.525364] napi_consume_skb+0x57/0x160\n[ 101.525367] igc_poll+0xb7/0xc80 [igc]\n[ 101.525376] ? sched_clock+0x5/0x10\n[ 101.525381] ? sched_clock_cpu+0xe/0x100\n[ 101.525385] net_rx_action+0x14c/0x410\n[ 101.525388] __do_softirq+0xe9/0x2f4\n[ 101.525391] __local_bh_enable_ip+0xe3/0x110\n[ 101.525395] ? irq_finalize_oneshot.part.47+0xe0/0xe0\n[ 101.525398] irq_forced_thread_fn+0x6a/0x80\n[ 101.525401] irq_thread+0xe8/0x180\n[ 101.525403] ? wake_threads_waitq+0x30/0x30\n[ 101.525406] ? irq_thread_check_affinity+0xd0/0xd0\n[ 101.525408] kthread+0x183/0x1a0\n[ 101.525412] ? kthread_park+0x80/0x80\n[ 101.525415] ret_from_fork+0x22/0x30", "A vulnerability was found in the Linux kernel's Intel Gigabit Ethernet driver. This issue occurs in the igc_poll function, where a piece of memory is accessed after it has been freed during a reset operation. This could lead to invalid memory access, causing potential system crashes if the driver tries to use or free the already-deleted memory."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2021-47302", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47302\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47302\nhttps://lore.kernel.org/linux-cve-announce/2024052126-CVE-2021-47302-0a00@gregkh/T"], "statement": "This vulnerability is classified as moderate severity because it affects system stability, which could lead to crashes or degraded performance, but it does not expose sensitive information or allow unauthorized access.", "threat_severity": "Moderate"}