{"id":"CVE-2025-38639","summary":"netfilter: xt_nfacct: don't assume acct name is null-terminated","details":"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.","modified":"2026-04-16T04:32:03.904120067Z","published":"2025-08-22T16:00:45.953Z","related":["SUSE-SU-2025:03600-1","SUSE-SU-2025:03601-1","SUSE-SU-2025:03602-1","SUSE-SU-2025:03614-1","SUSE-SU-2025:03633-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20851-1","SUSE-SU-2025:20861-1","SUSE-SU-2025:20870-1","SUSE-SU-2025:20898-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","SUSE-SU-2025:3725-1","SUSE-SU-2025:3751-1","openSUSE-SU-2025:20081-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38639.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/58004aa21e79addaf41667bfe65e93ec51653f18"},{"type":"WEB","url":"https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828"},{"type":"WEB","url":"https://git.kernel.org/stable/c/66d41268ede1e1b6e71ba28be923397ff0b2b9c3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7c1ae471da69c09242834e956218ea6a42dd405a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b10cfa2de13d28ddd03210eb234422b7ec92725a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bf58e667af7d96c8eb9411f926a0a0955f41ce21"},{"type":"WEB","url":"https://git.kernel.org/stable/c/df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e021a1eee196887536a6630c5492c23a4c78d452"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e18939176e657a3a20bfbed357b8c55a9f82aba3"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38639.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38639"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ceb98d03eac5704820f2ac1f370c9ff385e3a9f5"},{"fixed":"66d41268ede1e1b6e71ba28be923397ff0b2b9c3"},{"fixed":"e021a1eee196887536a6630c5492c23a4c78d452"},{"fixed":"b10cfa2de13d28ddd03210eb234422b7ec92725a"},{"fixed":"e18939176e657a3a20bfbed357b8c55a9f82aba3"},{"fixed":"58004aa21e79addaf41667bfe65e93ec51653f18"},{"fixed":"7c1ae471da69c09242834e956218ea6a42dd405a"},{"fixed":"58007fc7b94fb2702000045ff401eb7f5bde7828"},{"fixed":"df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13"},{"fixed":"bf58e667af7d96c8eb9411f926a0a0955f41ce21"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38639.json"}}],"schema_version":"1.7.5"}