7.1

CVE-2025-38639: debian debian_linux

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2025-38639DEBIAN-CVE-2025-38639
Published 22-08-2025Last modified 15-10-2026

Vulnerability summary

CVE-2025-38639 is a high (CVSS 7.1) vulnerability in debian debian_linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 52 · Related 48

Timeline

  1. 22-08-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

0.00 pp

From 0.18% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu147 products
  • linuxAll versions (No fix recorded) | < 5.15.0-163.173 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1097.104 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
  • linux< 6.1.148-1 | < 6.12.43-1 | < 6.16.3-1
  • debian_linuxEOL11.0
Linux2 products
  • linux≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < 66d41268ede1e1b6e71ba28be923397ff0b2b9c3 | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < e021a1eee196887536a6630c5492c23a4c78d452 | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < b10cfa2de13d28ddd03210eb234422b7ec92725a | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < e18939176e657a3a20bfbed357b8c55a9f82aba3 | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < 58004aa21e79addaf41667bfe65e93ec51653f18 | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < 7c1ae471da69c09242834e956218ea6a42dd405a | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < 58007fc7b94fb2702000045ff401eb7f5bde7828 | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < df13c9c6ce1d55c31d1bd49db65a7fbbd86aab13 | ≥ ceb98d03eac5704820f2ac1f370c9ff385e3a9f5, < bf58e667af7d96c8eb9411f926a0a0955f41ce21 | 3.3
  • linux_kernel≥ 3.3, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.1.148 | ≥ 6.2, < 6.6.102 | ≥ 6.7, < 6.12.42 | ≥ 6.13, < 6.15.10 | ≥ 6.16, < 6.16.1

3 vendors · 151 products

References

47 links
Show all 47 references