7.8

CVE-2026-72350: linux

CVSS: 7.8v3.1HighReceived
AliasesUBUNTU-CVE-2026-72350DEBIAN-CVE-2026-72350
Published 15-08-2026Last modified 16-10-2026
Open JSON

Vulnerability summary

CVE-2026-72350 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 6.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
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 25 · Related 25
OPENSUSE-SU-2026:21910-1SUSE-SU-2026:23881-1SUSE-SU-2026:23887-1SUSE-SU-2026:23897-1SUSE-SU-2026:23902-1SUSE-SU-2026:24181-1

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 16-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_u32: reject invalid shift counts u32_match_it() executes rule-supplied shift operands on a 32-bit value. A malformed u32 rule can provide a shift count of 32 or more, triggering an undefined shift out-of-bounds during packet evaluation. Validate XT_U32_LEFTSH and XT_U32_RIGHTSH operands in u32_mt_checkentry() and reject malformed rules before they reach the packet path.

CVSS metrics

5 scores · 4 sources · 2 versions

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 21-09-2026

21-09-202621-10-2026
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

Ubuntu169 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1014.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.180-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
  • linux≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < ca7c92d9701249e6daf132087756a88cbf2bb2a3 | ≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < b33b44250d57ab0e5a1e2571b5285fb0d0a7f382 | ≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < 728f479dc0447ae7eaef87926ff49142e415a811 | ≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < 0a8b7a6d763775709c601f584e709ae48bcc000a | ≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < cce42014415cecd98aa49b3950e7b02ee7c81268 | ≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < a597a722fb71a534138c20359b655726622b5f17 | ≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < 00d034fe8230dfc5832fe011ff2d81c1a2cc7a29 | ≥ 1b50b8a371e90a5e110f466e4ac02cf6b5f681de, < 64cdf7d30ac18e43df6c48004435febb965809a8 | 2.6.23

3 vendors · 171 products

References

27 links
Show all 27 references