CVE-2025-38639

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No remote peer data reaches this code.\nAC:L - Triggering is fully deterministic: submit one x_tables/nft rule with an `nfacct` match whose 32-byte name field contains no NUL byte and names a non-existent accounting object. There is no race, and the attacker also controls the size and cache placement of the surrounding allocation, so even the grooming step is under their control.\nPR:L - Every entry point checks only `ns_capable(net->user_ns, CAP_NET_ADMIN)` / `netlink_net_capable()`, which an unprivileged user obtains over their own network namespace with `unshare -Urn` \u2014 the syzbot reproducer runs exactly this way.\nUI:N - The attacker performs the entire sequence themselves in a single process; no victim action, mount, or other interaction is involved.\nS:U - The out-of-bounds read and the resulting disclosure and crash are confined to the kernel's own security authority; no VM, IOMMU, or hypervisor boundary is crossed.\nC:H - `string_nocheck()` runs with precision -1, so the read past the 32-byte name field is unbounded \u2014 it copies adjacent heap memory into the kernel log until it happens to hit a NUL, and the attacker chooses the slab cache and can groom the neighbouring objects to place sensitive data (kernel pointers, other objects' contents) in the leak window.\nI:N - The defect is purely a read: `%s` performs no out-of-bounds write and vsnprintf's destination buffer remains correctly bounded, so no kernel data is modified and no write primitive is produced.\nA:H - The unbounded walk runs off the end of the allocation \u2014 a KASAN slab-out-of-bounds report (fatal with `panic_on_warn`, as syzbot observed), or on the `kvmalloc`/vmalloc path a read straight into the guard page, producing an unmapped-address oops."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/xt_nfacct.c"], "versions": [{"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "66d41268ede1e1b6e71ba28be923397ff0b2b9c3", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "e021a1eee196887536a6630c5492c23a4c78d452", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "b10cfa2de13d28ddd03210eb234422b7ec92725a", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "e18939176e657a3a20bfbed357b8c55a9f82aba3", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "58004aa21e79addaf41667bfe65e93ec51653f18", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "7c1ae471da69c09242834e956218ea6a42dd405a", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "58007fc7b94fb2702000045ff401eb7f5bde7828", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13", "status": "affected", "versionType": "git"}, {"version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "bf58e667af7d96c8eb9411f926a0a0955f41ce21", "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/netfilter/xt_nfacct.c"], "versions": [{"version": "3.3", "status": "affected"}, {"version": "0", "lessThan": "3.3", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.297", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.241", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.190", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.148", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.102", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.42", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.10", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16.1", "lessThanOrEqual": "6.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.17", "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": "3.3", "versionEndExcluding": "5.4.297"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.10.241"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "5.15.190"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.1.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.6.102"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.12.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.15.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.16.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.3", "versionEndExcluding": "6.17"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/66d41268ede1e1b6e71ba28be923397ff0b2b9c3"}, {"url": "https://git.kernel.org/stable/c/e021a1eee196887536a6630c5492c23a4c78d452"}, {"url": "https://git.kernel.org/stable/c/b10cfa2de13d28ddd03210eb234422b7ec92725a"}, {"url": "https://git.kernel.org/stable/c/e18939176e657a3a20bfbed357b8c55a9f82aba3"}, {"url": "https://git.kernel.org/stable/c/58004aa21e79addaf41667bfe65e93ec51653f18"}, {"url": "https://git.kernel.org/stable/c/7c1ae471da69c09242834e956218ea6a42dd405a"}, {"url": "https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828"}, {"url": "https://git.kernel.org/stable/c/df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13"}, {"url": "https://git.kernel.org/stable/c/bf58e667af7d96c8eb9411f926a0a0955f41ce21"}], "title": "netfilter: xt_nfacct: don't assume acct name is null-terminated", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:40:40.018Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-38639", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-15T21:52:25.310432Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T22:02:27.055Z"}}]}}

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No remote peer data reaches this code.\nAC:L - Triggering is fully deterministic: submit one x_tables/nft rule with an `nfacct` match whose 32-byte name field contains no NUL byte and names a non-existent accounting object. There is no race, and the attacker also controls the size and cache placement of the surrounding allocation, so even the grooming step is under their control.\nPR:L - Every entry point checks only `ns_capable(net->user_ns, CAP_NET_ADMIN)` / `netlink_net_capable()`, which an unprivileged user obtains over their own network namespace with `unshare -Urn` \u2014 the syzbot reproducer runs exactly this way.\nUI:N - The attacker performs the entire sequence themselves in a single process; no victim action, mount, or other interaction is involved.\nS:U - The out-of-bounds read and the resulting disclosure and crash are confined to the kernel's own security authority; no VM, IOMMU, or hypervisor boundary is crossed.\nC:H - `string_nocheck()` runs with precision -1, so the read past the 32-byte name field is unbounded \u2014 it copies adjacent heap memory into the kernel log until it happens to hit a NUL, and the attacker chooses the slab cache and can groom the neighbouring objects to place sensitive data (kernel pointers, other objects' contents) in the leak window.\nI:N - The defect is purely a read: `%s` performs no out-of-bounds write and vsnprintf's destination buffer remains correctly bounded, so no kernel data is modified and no write primitive is produced.\nA:H - The unbounded walk runs off the end of the allocation \u2014 a KASAN slab-out-of-bounds report (fatal with `panic_on_warn`, as syzbot observed), or on the `kvmalloc`/vmalloc path a read straight into the guard page, producing an unmapped-address oops."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "66d41268ede1e1b6e71ba28be923397ff0b2b9c3", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "e021a1eee196887536a6630c5492c23a4c78d452", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "b10cfa2de13d28ddd03210eb234422b7ec92725a", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "e18939176e657a3a20bfbed357b8c55a9f82aba3", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "58004aa21e79addaf41667bfe65e93ec51653f18", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "7c1ae471da69c09242834e956218ea6a42dd405a", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "58007fc7b94fb2702000045ff401eb7f5bde7828", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13", "versionType": "git"}, {"status": "affected", "version": "ceb98d03eac5704820f2ac1f370c9ff385e3a9f5", "lessThan": "bf58e667af7d96c8eb9411f926a0a0955f41ce21", "versionType": "git"}], "programFiles": ["net/netfilter/xt_nfacct.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.3"}, {"status": "unaffected", "version": "0", "lessThan": "3.3", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.297", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.241", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.190", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.148", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.102", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", 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{"url": "https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828"}, {"url": "https://git.kernel.org/stable/c/df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13"}, {"url": "https://git.kernel.org/stable/c/bf58e667af7d96c8eb9411f926a0a0955f41ce21"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_nfacct: don't assume acct name is null-terminated\n\nBUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721\nRead of size 1 at addr ffff88801eac95c8 by task syz-executor183/5851\n[..]\n string+0x231/0x2b0 lib/vsprintf.c:721\n vsnprintf+0x739/0xf00 lib/vsprintf.c:2874\n [..]\n nfacct_mt_checkentry+0xd2/0xe0 net/netfilter/xt_nfacct.c:41\n xt_check_match+0x3d1/0xab0 net/netfilter/x_tables.c:523\n\nnfnl_acct_find_get() handles non-null input, but the error\nprintk relied on its presence."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": 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{"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.297", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.241", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.190", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.148", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.102", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.42", "versionType": "semver"}, {"lessThanOrEqual": "6.15.*", "status": "unaffected", "version": "6.15.10", "versionType": "semver"}, {"lessThanOrEqual": "6.16.*", "status": "unaffected", "version": "6.16.1", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.17", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "F9EF127A-4F73-4925-A51C-312B1712285F", "versionEndExcluding": "5.4.297", "versionStartIncluding": "3.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D0D21C35-EB8A-488A-BBF9-403E4817E5DD", "versionEndExcluding": "5.10.241", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AD9E597F-3DDE-4D7E-976C-463D0611F13F", "versionEndExcluding": "5.15.190", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "3E5B1B93-C244-4B54-B3AB-12C2635A443B", "versionEndExcluding": "6.1.148", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DD6EDB96-08AC-49D8-A1A9-4D2140C49BC7", "versionEndExcluding": "6.6.102", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EA7AA5E6-4376-4A85-A021-6ACC5FF801C3", "versionEndExcluding": "6.12.42", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5890C690-B295-40C2-9121-FF5F987E5142", "versionEndExcluding": "6.15.10", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "58182352-D7DF-4CC9-841E-03C1D852C3FB", "versionEndExcluding": "6.16.1", "versionStartIncluding": "6.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: xt_nfacct: don't assume acct name is null-terminated\n\nBUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721\nRead of size 1 at addr ffff88801eac95c8 by task syz-executor183/5851\n[..]\n string+0x231/0x2b0 lib/vsprintf.c:721\n vsnprintf+0x739/0xf00 lib/vsprintf.c:2874\n [..]\n nfacct_mt_checkentry+0xd2/0xe0 net/netfilter/xt_nfacct.c:41\n xt_check_match+0x3d1/0xab0 net/netfilter/x_tables.c:523\n\nnfnl_acct_find_get() handles non-null input, but the error\nprintk relied on its presence."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: netfilter: xt_nfacct: no asuma que el nombre de la cuenta termina en nulo BUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721 Read of size 1 at addr ffff88801eac95c8 by task syz-executor183/5851 [..] string+0x231/0x2b0 lib/vsprintf.c:721 vsnprintf+0x739/0xf00 lib/vsprintf.c:2874 [..] nfacct_mt_checkentry+0xd2/0xe0 net/netfilter/xt_nfacct.c:41 xt_check_match+0x3d1/0xab0 net/netfilter/x_tables.c:523 nfnl_acct_find_get() maneja entradas no nulas, pero el error printk depend\u00eda de su presencia."}], "id": "CVE-2025-38639", "lastModified": "2026-10-15T22:18:47.683", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-38639", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:52:25.310432Z", "version": "2.0.3"}}]}, "published": "2025-08-22T16:15:37.850", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/58004aa21e79addaf41667bfe65e93ec51653f18"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/66d41268ede1e1b6e71ba28be923397ff0b2b9c3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7c1ae471da69c09242834e956218ea6a42dd405a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b10cfa2de13d28ddd03210eb234422b7ec92725a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bf58e667af7d96c8eb9411f926a0a0955f41ce21"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e021a1eee196887536a6630c5492c23a4c78d452"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e18939176e657a3a20bfbed357b8c55a9f82aba3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: netfilter: xt_nfacct: don't assume acct name is null-terminated", "id": "2390363", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2390363"}, "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:\nnetfilter: xt_nfacct: don't assume acct name is null-terminated\nBUG: KASAN: slab-out-of-bounds in .. lib/vsprintf.c:721\nRead of size 1 at addr ffff88801eac95c8 by task syz-executor183/5851\n[..]\nstring+0x231/0x2b0 lib/vsprintf.c:721\nvsnprintf+0x739/0xf00 lib/vsprintf.c:2874\n[..]\nnfacct_mt_checkentry+0xd2/0xe0 net/netfilter/xt_nfacct.c:41\nxt_check_match+0x3d1/0xab0 net/netfilter/x_tables.c:523\nnfnl_acct_find_get() handles non-null input, but the error\nprintk relied on its presence."], "name": "CVE-2025-38639", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "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": "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": "2025-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38639\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38639\nhttps://lore.kernel.org/linux-cve-announce/2025082234-CVE-2025-38639-f972@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-08-23T10:55:23.150796+00:00", "updated": "2025-08-23T10:55:23.150847+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}