{"cve":"CVE-2025-38639","nvd":{"published":"2025-08-22T16:15:37.850","modified":"2026-10-15T22:18:47.683","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/58004aa21e79addaf41667bfe65e93ec51653f18","https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828","https://git.kernel.org/stable/c/66d41268ede1e1b6e71ba28be923397ff0b2b9c3","https://git.kernel.org/stable/c/7c1ae471da69c09242834e956218ea6a42dd405a","https://git.kernel.org/stable/c/b10cfa2de13d28ddd03210eb234422b7ec92725a"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:07:46.309729541+00:00"},"epss":{"cve":"CVE-2025-38639","score":0.00187,"percentile":0.08188,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}