{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49840", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.229Z", "datePublished": "2025-05-01T14:09:56.233Z", "dateUpdated": "2025-05-04T08:46:38.585Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:46:38.585Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()\n\nWe got a syzkaller problem because of aarch64 alignment fault\nif KFENCE enabled. When the size from user bpf program is an odd\nnumber, like 399, 407, etc, it will cause the struct skb_shared_info's\nunaligned access. As seen below:\n\n BUG: KFENCE: use-after-free read in __skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032\n\n Use-after-free read at 0xffff6254fffac077 (in kfence-#213):\n __lse_atomic_add arch/arm64/include/asm/atomic_lse.h:26 [inline]\n arch_atomic_add arch/arm64/include/asm/atomic.h:28 [inline]\n arch_atomic_inc include/linux/atomic-arch-fallback.h:270 [inline]\n atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline]\n __skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032\n skb_clone+0xf4/0x214 net/core/skbuff.c:1481\n ____bpf_clone_redirect net/core/filter.c:2433 [inline]\n bpf_clone_redirect+0x78/0x1c0 net/core/filter.c:2420\n bpf_prog_d3839dd9068ceb51+0x80/0x330\n bpf_dispatcher_nop_func include/linux/bpf.h:728 [inline]\n bpf_test_run+0x3c0/0x6c0 net/bpf/test_run.c:53\n bpf_prog_test_run_skb+0x638/0xa7c net/bpf/test_run.c:594\n bpf_prog_test_run kernel/bpf/syscall.c:3148 [inline]\n __do_sys_bpf kernel/bpf/syscall.c:4441 [inline]\n __se_sys_bpf+0xad0/0x1634 kernel/bpf/syscall.c:4381\n\n kfence-#213: 0xffff6254fffac000-0xffff6254fffac196, size=407, cache=kmalloc-512\n\n allocated by task 15074 on cpu 0 at 1342.585390s:\n kmalloc include/linux/slab.h:568 [inline]\n kzalloc include/linux/slab.h:675 [inline]\n bpf_test_init.isra.0+0xac/0x290 net/bpf/test_run.c:191\n bpf_prog_test_run_skb+0x11c/0xa7c net/bpf/test_run.c:512\n bpf_prog_test_run kernel/bpf/syscall.c:3148 [inline]\n __do_sys_bpf kernel/bpf/syscall.c:4441 [inline]\n __se_sys_bpf+0xad0/0x1634 kernel/bpf/syscall.c:4381\n __arm64_sys_bpf+0x50/0x60 kernel/bpf/syscall.c:4381\n\nTo fix the problem, we adjust @size so that (@size + @hearoom) is a\nmultiple of SMP_CACHE_BYTES. So we make sure the struct skb_shared_info\nis aligned to a cache line."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bpf/test_run.c"], "versions": [{"version": "1cf1cae963c2e6032aebe1637e995bc2f5d330f4", "lessThan": "047824a730699c6c66df43306b80f700c9dfc2fd", "status": "affected", "versionType": "git"}, {"version": "1cf1cae963c2e6032aebe1637e995bc2f5d330f4", "lessThan": "730fb1ef974a13915bc7651364d8b3318891cd70", "status": "affected", "versionType": "git"}, {"version": "1cf1cae963c2e6032aebe1637e995bc2f5d330f4", "lessThan": "7a704dbfd3735304e261f2787c52fbc7c3884736", "status": "affected", "versionType": "git"}, {"version": "1cf1cae963c2e6032aebe1637e995bc2f5d330f4", "lessThan": "e60f37a1d379c821c17b08f366412dce9ef3d99f", "status": "affected", "versionType": "git"}, {"version": "1cf1cae963c2e6032aebe1637e995bc2f5d330f4", "lessThan": "eaa8edd86514afac9deb9bf9a5053e74f37edf40", "status": "affected", "versionType": "git"}, {"version": "1cf1cae963c2e6032aebe1637e995bc2f5d330f4", "lessThan": "1b597f2d6a55e9f549989913860ad5170da04964", "status": "affected", "versionType": "git"}, {"version": "1cf1cae963c2e6032aebe1637e995bc2f5d330f4", "lessThan": "d3fd203f36d46aa29600a72d57a1b61af80e4a25", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/bpf/test_run.c"], "versions": [{"version": "4.12", "status": "affected"}, {"version": "0", "lessThan": "4.12", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.300", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.267", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.225", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.156", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.80", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.10", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "4.12", "versionEndExcluding": "4.14.300"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "4.19.267"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "5.4.225"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "5.10.156"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "5.15.80"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/047824a730699c6c66df43306b80f700c9dfc2fd"}, {"url": "https://git.kernel.org/stable/c/730fb1ef974a13915bc7651364d8b3318891cd70"}, {"url": "https://git.kernel.org/stable/c/7a704dbfd3735304e261f2787c52fbc7c3884736"}, {"url": "https://git.kernel.org/stable/c/e60f37a1d379c821c17b08f366412dce9ef3d99f"}, {"url": "https://git.kernel.org/stable/c/eaa8edd86514afac9deb9bf9a5053e74f37edf40"}, {"url": "https://git.kernel.org/stable/c/1b597f2d6a55e9f549989913860ad5170da04964"}, {"url": "https://git.kernel.org/stable/c/d3fd203f36d46aa29600a72d57a1b61af80e4a25"}], "title": "bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B63CD4A4-1F05-4B97-B726-E239B42AF463", "versionEndExcluding": "4.14.300", "versionStartIncluding": "4.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A5C69A12-68E2-400E-9A5A-375A673C8402", "versionEndExcluding": "4.19.267", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "94D21814-3051-4860-AB06-C7880A3D4933", "versionEndExcluding": "5.4.225", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E2152F3D-E6D3-405D-B0BE-911B8B6E2EE6", "versionEndExcluding": "5.10.156", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "51BBEF3B-79F5-4D4C-ADBA-F34DA0E2465C", "versionEndExcluding": "5.15.80", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "64F9ADD1-3ADB-4D66-A00F-4A83010B05F0", "versionEndExcluding": "6.0.10", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*", "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()\n\nWe got a syzkaller problem because of aarch64 alignment fault\nif KFENCE enabled. When the size from user bpf program is an odd\nnumber, like 399, 407, etc, it will cause the struct skb_shared_info's\nunaligned access. As seen below:\n\n BUG: KFENCE: use-after-free read in __skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032\n\n Use-after-free read at 0xffff6254fffac077 (in kfence-#213):\n __lse_atomic_add arch/arm64/include/asm/atomic_lse.h:26 [inline]\n arch_atomic_add arch/arm64/include/asm/atomic.h:28 [inline]\n arch_atomic_inc include/linux/atomic-arch-fallback.h:270 [inline]\n atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline]\n __skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032\n skb_clone+0xf4/0x214 net/core/skbuff.c:1481\n ____bpf_clone_redirect net/core/filter.c:2433 [inline]\n bpf_clone_redirect+0x78/0x1c0 net/core/filter.c:2420\n bpf_prog_d3839dd9068ceb51+0x80/0x330\n bpf_dispatcher_nop_func include/linux/bpf.h:728 [inline]\n bpf_test_run+0x3c0/0x6c0 net/bpf/test_run.c:53\n bpf_prog_test_run_skb+0x638/0xa7c net/bpf/test_run.c:594\n bpf_prog_test_run kernel/bpf/syscall.c:3148 [inline]\n __do_sys_bpf kernel/bpf/syscall.c:4441 [inline]\n __se_sys_bpf+0xad0/0x1634 kernel/bpf/syscall.c:4381\n\n kfence-#213: 0xffff6254fffac000-0xffff6254fffac196, size=407, cache=kmalloc-512\n\n allocated by task 15074 on cpu 0 at 1342.585390s:\n kmalloc include/linux/slab.h:568 [inline]\n kzalloc include/linux/slab.h:675 [inline]\n bpf_test_init.isra.0+0xac/0x290 net/bpf/test_run.c:191\n bpf_prog_test_run_skb+0x11c/0xa7c net/bpf/test_run.c:512\n bpf_prog_test_run kernel/bpf/syscall.c:3148 [inline]\n __do_sys_bpf kernel/bpf/syscall.c:4441 [inline]\n __se_sys_bpf+0xad0/0x1634 kernel/bpf/syscall.c:4381\n __arm64_sys_bpf+0x50/0x60 kernel/bpf/syscall.c:4381\n\nTo fix the problem, we adjust @size so that (@size + @hearoom) is a\nmultiple of SMP_CACHE_BYTES. So we make sure the struct skb_shared_info\nis aligned to a cache line."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf, test_run: Se solucion\u00f3 un problema de alineaci\u00f3n en bpf_prog_test_run_skb(). Se detect\u00f3 un problema en syzkaller debido a un fallo de alineaci\u00f3n de aarch64 si KFENCE estaba habilitado. Cuando el tama\u00f1o del programa bpf del usuario es un n\u00famero impar, como 399, 407, etc., se produce un acceso no alineado a la estructura skb_shared_info. Como se ve a continuaci\u00f3n: ERROR: KFENCE: lectura de use-after-free en __skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032 Lectura de use-after-free en 0xffff6254fffac077 (en kfence-#213): __lse_atomic_add arch/arm64/include/asm/atomic_lse.h:26 [en l\u00ednea] arch_atomic_add arch/arm64/include/asm/atomic.h:28 [en l\u00ednea] arch_atomic_inc include/linux/atomic-arch-fallback.h:270 [en l\u00ednea] atomic_inc include/asm-generic/atomic-instrumented.h:241 [en l\u00ednea] __skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032 skb_clone+0xf4/0x214 net/core/skbuff.c:1481 ____bpf_clone_redirect net/core/filter.c:2433 [en l\u00ednea] bpf_clone_redirect+0x78/0x1c0 net/core/filter.c:2420 bpf_prog_d3839dd9068ceb51+0x80/0x330 bpf_dispatcher_nop_func include/linux/bpf.h:728 [en l\u00ednea] bpf_test_run+0x3c0/0x6c0 net/bpf/test_run.c:53 bpf_prog_test_run_skb+0x638/0xa7c net/bpf/test_run.c:594 bpf_prog_test_run kernel/bpf/syscall.c:3148 [en l\u00ednea] __do_sys_bpf kernel/bpf/syscall.c:4441 [en l\u00ednea] __se_sys_bpf+0xad0/0x1634 kernel/bpf/syscall.c:4381 kfence-#213: 0xffff6254fffac000-0xffff6254fffac196, tama\u00f1o=407, cach\u00e9=kmalloc-512 asignado por la tarea 15074 en la CPU 0 a las 1342.585390 s: kmalloc include/linux/slab.h:568 [en l\u00ednea] kzalloc include/linux/slab.h:675 [en l\u00ednea] bpf_test_init.isra.0+0xac/0x290 Para corregir el problema, ajustamos @size de modo que (@size + @hearoom) sea un m\u00faltiplo de SMP_CACHE_BYTES. As\u00ed nos aseguramos de que la estructura skb_shared_info est\u00e9 alineada con una l\u00ednea de cach\u00e9."}], "id": "CVE-2022-49840", "lastModified": "2025-05-07T13:32:57.730", "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": "2025-05-01T15:16:07.493", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/047824a730699c6c66df43306b80f700c9dfc2fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1b597f2d6a55e9f549989913860ad5170da04964"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/730fb1ef974a13915bc7651364d8b3318891cd70"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a704dbfd3735304e261f2787c52fbc7c3884736"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d3fd203f36d46aa29600a72d57a1b61af80e4a25"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e60f37a1d379c821c17b08f366412dce9ef3d99f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eaa8edd86514afac9deb9bf9a5053e74f37edf40"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()", "id": "2363527", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363527"}, "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"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf, test_run: Fix alignment problem in bpf_prog_test_run_skb()\nWe got a syzkaller problem because of aarch64 alignment fault\nif KFENCE enabled. When the size from user bpf program is an odd\nnumber, like 399, 407, etc, it will cause the struct skb_shared_info's\nunaligned access. As seen below:\nBUG: KFENCE: use-after-free read in __skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032\nUse-after-free read at 0xffff6254fffac077 (in kfence-#213):\n__lse_atomic_add arch/arm64/include/asm/atomic_lse.h:26 [inline]\narch_atomic_add arch/arm64/include/asm/atomic.h:28 [inline]\narch_atomic_inc include/linux/atomic-arch-fallback.h:270 [inline]\natomic_inc include/asm-generic/atomic-instrumented.h:241 [inline]\n__skb_clone+0x23c/0x2a0 net/core/skbuff.c:1032\nskb_clone+0xf4/0x214 net/core/skbuff.c:1481\n____bpf_clone_redirect net/core/filter.c:2433 [inline]\nbpf_clone_redirect+0x78/0x1c0 net/core/filter.c:2420\nbpf_prog_d3839dd9068ceb51+0x80/0x330\nbpf_dispatcher_nop_func include/linux/bpf.h:728 [inline]\nbpf_test_run+0x3c0/0x6c0 net/bpf/test_run.c:53\nbpf_prog_test_run_skb+0x638/0xa7c net/bpf/test_run.c:594\nbpf_prog_test_run kernel/bpf/syscall.c:3148 [inline]\n__do_sys_bpf kernel/bpf/syscall.c:4441 [inline]\n__se_sys_bpf+0xad0/0x1634 kernel/bpf/syscall.c:4381\nkfence-#213: 0xffff6254fffac000-0xffff6254fffac196, size=407, cache=kmalloc-512\nallocated by task 15074 on cpu 0 at 1342.585390s:\nkmalloc include/linux/slab.h:568 [inline]\nkzalloc include/linux/slab.h:675 [inline]\nbpf_test_init.isra.0+0xac/0x290 net/bpf/test_run.c:191\nbpf_prog_test_run_skb+0x11c/0xa7c net/bpf/test_run.c:512\nbpf_prog_test_run kernel/bpf/syscall.c:3148 [inline]\n__do_sys_bpf kernel/bpf/syscall.c:4441 [inline]\n__se_sys_bpf+0xad0/0x1634 kernel/bpf/syscall.c:4381\n__arm64_sys_bpf+0x50/0x60 kernel/bpf/syscall.c:4381\nTo fix the problem, we adjust @size so that (@size + @hearoom) is a\nmultiple of SMP_CACHE_BYTES. So we make sure the struct skb_shared_info\nis aligned to a cache line."], "name": "CVE-2022-49840", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49840\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49840\nhttps://lore.kernel.org/linux-cve-announce/2025050140-CVE-2022-49840-5186@gregkh/T"], "threat_severity": "Moderate"}