{"id":"CVE-2025-38639","revision":null,"records":[{"revision":"152f0b27d8b2440cbfaacd80c7b66f61","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-38639","aliases":[],"title":"netfilter: xt_nfacct: don't assume acct name is null-terminated","description":"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.","state":0,"publishedAt":"2025-08-22T16:00:45.953+00:00","modifiedAt":"2026-10-15T22:02:27.055+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/netfilter/xt_nfacct.c\"\n ],\n \"versions\": [\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"66d41268ede1e1b6e71ba28be923397ff0b2b9c3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"e021a1eee196887536a6630c5492c23a4c78d452\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"b10cfa2de13d28ddd03210eb234422b7ec92725a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"e18939176e657a3a20bfbed357b8c55a9f82aba3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"58004aa21e79addaf41667bfe65e93ec51653f18\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"7c1ae471da69c09242834e956218ea6a42dd405a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"58007fc7b94fb2702000045ff401eb7f5bde7828\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5\",\n \"lessThan\": \"bf58e667af7d96c8eb9411f926a0a0955f41ce21\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/netfilter/xt_nfacct.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.3\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.3\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.297\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.241\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.190\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.148\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.102\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.42\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.15.10\",\n \"lessThanOrEqual\": \"6.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.16.1\",\n \"lessThanOrEqual\": \"6.16.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.17\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","score":7.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/66d41268ede1e1b6e71ba28be923397ff0b2b9c3","https://git.kernel.org/stable/c/e021a1eee196887536a6630c5492c23a4c78d452","https://git.kernel.org/stable/c/b10cfa2de13d28ddd03210eb234422b7ec92725a","https://git.kernel.org/stable/c/e18939176e657a3a20bfbed357b8c55a9f82aba3","https://git.kernel.org/stable/c/58004aa21e79addaf41667bfe65e93ec51653f18","https://git.kernel.org/stable/c/7c1ae471da69c09242834e956218ea6a42dd405a","https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828","https://git.kernel.org/stable/c/df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13","https://git.kernel.org/stable/c/bf58e667af7d96c8eb9411f926a0a0955f41ce21"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38639","license":"CVE Program Terms of 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