CVE-2025-38639

MEDIUM EPSS 5.5%
Published Aug 22, 202510mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Aug 22, 2025 10mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_nfacct: don't assume acct name is null-terminated 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() handles non-null input, but the error printk relied on its presence.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
5.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥3.3  –  <5.4.297
linuxlinux_kernel*≥5.5  –  <5.10.241
linuxlinux_kernel*≥5.11  –  <5.15.190
linuxlinux_kernel*≥5.16  –  <6.1.148
linuxlinux_kernel*≥6.2  –  <6.6.102
linuxlinux_kernel*≥6.7  –  <6.12.42
linuxlinux_kernel*≥6.13  –  <6.15.10
linuxlinux_kernel*≥6.16  –  <6.16.1
debiandebian_linux11.0any

References 11

  • git.kernel.org https://git.kernel.org/stable/c/58004aa21e79addaf41667bfe65e93ec51653f18
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/66d41268ede1e1b6e71ba28be923397ff0b2b9c3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7c1ae471da69c09242834e956218ea6a42dd405a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b10cfa2de13d28ddd03210eb234422b7ec92725a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bf58e667af7d96c8eb9411f926a0a0955f41ce21
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e021a1eee196887536a6630c5492c23a4c78d452
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e18939176e657a3a20bfbed357b8c55a9f82aba3
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Third Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    Third Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/58004aa21e79addaf41667bfe65e93ec51653f18
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/58007fc7b94fb2702000045ff401eb7f5bde7828
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/66d41268ede1e1b6e71ba28be923397ff0b2b9c3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7c1ae471da69c09242834e956218ea6a42dd405a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b10cfa2de13d28ddd03210eb234422b7ec92725a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bf58e667af7d96c8eb9411f926a0a0955f41ce21
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e021a1eee196887536a6630c5492c23a4c78d452
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e18939176e657a3a20bfbed357b8c55a9f82aba3
    Patch