{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-21973", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.797Z", "datePublished": "2025-04-01T15:47:05.506Z", "dateUpdated": "2025-05-04T07:26:16.483Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T07:26:16.483Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\neth: bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}\n\nWhen qstats-get operation is executed, callbacks of netdev_stats_ops\nare called. The bnxt_get_queue_stats{rx | tx} collect per-queue stats\nfrom sw_stats in the rings.\nBut {rx | tx | cp}_ring are allocated when the interface is up.\nSo, these rings are not allocated when the interface is down.\n\nThe qstats-get is allowed even if the interface is down. However,\nthe bnxt_get_queue_stats{rx | tx}() accesses cp_ring and tx_ring\nwithout null check.\nSo, it needs to avoid accessing rings if the interface is down.\n\nReproducer:\n ip link set $interface down\n ./cli.py --spec netdev.yaml --dump qstats-get\nOR\n ip link set $interface down\n python ./stats.py\n\nSplat looks like:\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 1680fa067 P4D 1680fa067 PUD 16be3b067 PMD 0\n Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n CPU: 0 UID: 0 PID: 1495 Comm: python3 Not tainted 6.14.0-rc4+ #32 5cd0f999d5a15c574ac72b3e4b907341\n Hardware name: ASUS System Product Name/PRIME Z690-P D4, BIOS 0603 11/01/2021\n RIP: 0010:bnxt_get_queue_stats_rx+0xf/0x70 [bnxt_en]\n Code: c6 87 b5 18 00 00 02 eb a2 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 01\n RSP: 0018:ffffabef43cdb7e0 EFLAGS: 00010282\n RAX: 0000000000000000 RBX: ffffffffc04c8710 RCX: 0000000000000000\n RDX: ffffabef43cdb858 RSI: 0000000000000000 RDI: ffff8d504e850000\n RBP: ffff8d506c9f9c00 R08: 0000000000000004 R09: ffff8d506bcd901c\n R10: 0000000000000015 R11: ffff8d506bcd9000 R12: 0000000000000000\n R13: ffffabef43cdb8c0 R14: ffff8d504e850000 R15: 0000000000000000\n FS: 00007f2c5462b080(0000) GS:ffff8d575f600000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 0000000167fd0000 CR4: 00000000007506f0\n PKRU: 55555554\n Call Trace:\n <TASK>\n ? __die+0x20/0x70\n ? page_fault_oops+0x15a/0x460\n ? sched_balance_find_src_group+0x58d/0xd10\n ? exc_page_fault+0x6e/0x180\n ? asm_exc_page_fault+0x22/0x30\n ? bnxt_get_queue_stats_rx+0xf/0x70 [bnxt_en cdd546fd48563c280cfd30e9647efa420db07bf1]\n netdev_nl_stats_by_netdev+0x2b1/0x4e0\n ? xas_load+0x9/0xb0\n ? xas_find+0x183/0x1d0\n ? xa_find+0x8b/0xe0\n netdev_nl_qstats_get_dumpit+0xbf/0x1e0\n genl_dumpit+0x31/0x90\n netlink_dump+0x1a8/0x360"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/broadcom/bnxt/bnxt.c"], "versions": [{"version": "af7b3b4adda592cb49e202f3617454d5dda4c5b5", "lessThan": "f059a0fd733078c3832fd0f3a3037aa5975d3d36", "status": "affected", "versionType": "git"}, {"version": "af7b3b4adda592cb49e202f3617454d5dda4c5b5", "lessThan": "adb830085f0fc3a09a0fc8b64fed2e7c8d244665", "status": "affected", "versionType": "git"}, {"version": "af7b3b4adda592cb49e202f3617454d5dda4c5b5", "lessThan": "f09af5fdfbd9b0fcee73aab1116904c53b199e97", "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/broadcom/bnxt/bnxt.c"], "versions": [{"version": "6.9", "status": "affected"}, {"version": "0", "lessThan": "6.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.20", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.8", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14", "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": "6.9", "versionEndExcluding": "6.12.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.13.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f059a0fd733078c3832fd0f3a3037aa5975d3d36"}, {"url": "https://git.kernel.org/stable/c/adb830085f0fc3a09a0fc8b64fed2e7c8d244665"}, {"url": "https://git.kernel.org/stable/c/f09af5fdfbd9b0fcee73aab1116904c53b199e97"}], "title": "eth: bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\neth: bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}\n\nWhen qstats-get operation is executed, callbacks of netdev_stats_ops\nare called. The bnxt_get_queue_stats{rx | tx} collect per-queue stats\nfrom sw_stats in the rings.\nBut {rx | tx | cp}_ring are allocated when the interface is up.\nSo, these rings are not allocated when the interface is down.\n\nThe qstats-get is allowed even if the interface is down. However,\nthe bnxt_get_queue_stats{rx | tx}() accesses cp_ring and tx_ring\nwithout null check.\nSo, it needs to avoid accessing rings if the interface is down.\n\nReproducer:\n ip link set $interface down\n ./cli.py --spec netdev.yaml --dump qstats-get\nOR\n ip link set $interface down\n python ./stats.py\n\nSplat looks like:\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 1680fa067 P4D 1680fa067 PUD 16be3b067 PMD 0\n Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI\n CPU: 0 UID: 0 PID: 1495 Comm: python3 Not tainted 6.14.0-rc4+ #32 5cd0f999d5a15c574ac72b3e4b907341\n Hardware name: ASUS System Product Name/PRIME Z690-P D4, BIOS 0603 11/01/2021\n RIP: 0010:bnxt_get_queue_stats_rx+0xf/0x70 [bnxt_en]\n Code: c6 87 b5 18 00 00 02 eb a2 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 01\n RSP: 0018:ffffabef43cdb7e0 EFLAGS: 00010282\n RAX: 0000000000000000 RBX: ffffffffc04c8710 RCX: 0000000000000000\n RDX: ffffabef43cdb858 RSI: 0000000000000000 RDI: ffff8d504e850000\n RBP: ffff8d506c9f9c00 R08: 0000000000000004 R09: ffff8d506bcd901c\n R10: 0000000000000015 R11: ffff8d506bcd9000 R12: 0000000000000000\n R13: ffffabef43cdb8c0 R14: ffff8d504e850000 R15: 0000000000000000\n FS: 00007f2c5462b080(0000) GS:ffff8d575f600000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 0000000167fd0000 CR4: 00000000007506f0\n PKRU: 55555554\n Call Trace:\n <TASK>\n ? __die+0x20/0x70\n ? page_fault_oops+0x15a/0x460\n ? sched_balance_find_src_group+0x58d/0xd10\n ? exc_page_fault+0x6e/0x180\n ? asm_exc_page_fault+0x22/0x30\n ? bnxt_get_queue_stats_rx+0xf/0x70 [bnxt_en cdd546fd48563c280cfd30e9647efa420db07bf1]\n netdev_nl_stats_by_netdev+0x2b1/0x4e0\n ? xas_load+0x9/0xb0\n ? xas_find+0x183/0x1d0\n ? xa_find+0x8b/0xe0\n netdev_nl_qstats_get_dumpit+0xbf/0x1e0\n genl_dumpit+0x31/0x90\n netlink_dump+0x1a8/0x360"}], "id": "CVE-2025-21973", "lastModified": "2025-04-01T20:26:01.990", "metrics": {}, "published": "2025-04-01T16:15:28.637", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/adb830085f0fc3a09a0fc8b64fed2e7c8d244665"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f059a0fd733078c3832fd0f3a3037aa5975d3d36"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f09af5fdfbd9b0fcee73aab1116904c53b199e97"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: eth: bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}", "id": "2356606", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2356606"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\neth: bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}\nWhen qstats-get operation is executed, callbacks of netdev_stats_ops\nare called. The bnxt_get_queue_stats{rx | tx} collect per-queue stats\nfrom sw_stats in the rings.\nBut {rx | tx | cp}_ring are allocated when the interface is up.\nSo, these rings are not allocated when the interface is down.\nThe qstats-get is allowed even if the interface is down. However,\nthe bnxt_get_queue_stats{rx | tx}() accesses cp_ring and tx_ring\nwithout null check.\nSo, it needs to avoid accessing rings if the interface is down.\nReproducer:\nip link set $interface down\n./cli.py --spec netdev.yaml --dump qstats-get\nOR\nip link set $interface down\npython ./stats.py\nSplat looks like:\nBUG: kernel NULL pointer dereference, address: 0000000000000000\n#PF: supervisor read access in kernel mode\n#PF: error_code(0x0000) - not-present page\nPGD 1680fa067 P4D 1680fa067 PUD 16be3b067 PMD 0\nOops: Oops: 0000 [#1] PREEMPT SMP NOPTI\nCPU: 0 UID: 0 PID: 1495 Comm: python3 Not tainted 6.14.0-rc4+ #32 5cd0f999d5a15c574ac72b3e4b907341\nHardware name: ASUS System Product Name/PRIME Z690-P D4, BIOS 0603 11/01/2021\nRIP: 0010:bnxt_get_queue_stats_rx+0xf/0x70 [bnxt_en]\nCode: c6 87 b5 18 00 00 02 eb a2 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 01\nRSP: 0018:ffffabef43cdb7e0 EFLAGS: 00010282\nRAX: 0000000000000000 RBX: ffffffffc04c8710 RCX: 0000000000000000\nRDX: ffffabef43cdb858 RSI: 0000000000000000 RDI: ffff8d504e850000\nRBP: ffff8d506c9f9c00 R08: 0000000000000004 R09: ffff8d506bcd901c\nR10: 0000000000000015 R11: ffff8d506bcd9000 R12: 0000000000000000\nR13: ffffabef43cdb8c0 R14: ffff8d504e850000 R15: 0000000000000000\nFS: 00007f2c5462b080(0000) GS:ffff8d575f600000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000000 CR3: 0000000167fd0000 CR4: 00000000007506f0\nPKRU: 55555554\nCall Trace:\n<TASK>\n? __die+0x20/0x70\n? page_fault_oops+0x15a/0x460\n? sched_balance_find_src_group+0x58d/0xd10\n? exc_page_fault+0x6e/0x180\n? asm_exc_page_fault+0x22/0x30\n? bnxt_get_queue_stats_rx+0xf/0x70 [bnxt_en cdd546fd48563c280cfd30e9647efa420db07bf1]\nnetdev_nl_stats_by_netdev+0x2b1/0x4e0\n? xas_load+0x9/0xb0\n? xas_find+0x183/0x1d0\n? xa_find+0x8b/0xe0\nnetdev_nl_qstats_get_dumpit+0xbf/0x1e0\ngenl_dumpit+0x31/0x90\nnetlink_dump+0x1a8/0x360"], "name": "CVE-2025-21973", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-21973\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-21973\nhttps://lore.kernel.org/linux-cve-announce/2025040147-CVE-2025-21973-8246@gregkh/T"], "threat_severity": "Moderate"}