5.5

CVE-2026-53001: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-53001DEBIAN-CVE-2026-53001
Published 24-06-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-53001 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.13%
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 49 · Related 49
OPENSUSE-SU-2026:21910-1SUSE-SU-2026:23477-1SUSE-SU-2026:23481-1SUSE-SU-2026:23528-1SUSE-SU-2026:23529-1SUSE-SU-2026:23881-1

Timeline

  1. 24-06-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: restrict several matches to inet family This is a partial revert of: commit ab4f21e6fb1c ("netfilter: xtables: use NFPROTO_UNSPEC in more extensions") to allow ipv4 and ipv6 only. - xt_mac - xt_owner - xt_physdev These extensions are not used by ebtables in userspace. Moreover, xt_realm is only for ipv4, since dst->tclassid is ipv4 specific.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.13%

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

Ubuntu166 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136 | < 7.0.0-28.28
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64 | < 7.0.0-1009.9
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < 14203f9edf944b3fb63faadd62f38452421ecdfc | ≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < 7eaf9c740f33230cb224dc265f3c69f8531ff57b | ≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < 9a109751b297b0f2135495749ef5a18ba31ec7d4 | ≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < cbeb259f31382de70a70a59ffd0e66f5e80d9818 | ≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < 689a91ff18d6448d94c1ab7c076fecdb2b668bef | ≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < 76160e04440c9698b989dbd9492a7ec4f520c9ee | ≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < fa88161ef56e29bdaa05cc89dbc4ee221e94bfe9 | ≥ ab4f21e6fb1c09b13c4c3cb8357babe8223471bd, < b6fe26f86a1649f84e057f3f15605b08eda15497 | 2.6.28
  • linux_kernel≥ 2.6.28, < 5.10.258 | ≥ 5.11, < 5.15.209 | ≥ 5.16, < 6.1.175 | ≥ 6.2, < 6.6.141 | ≥ 6.7, < 6.12.91 | ≥ 6.13, < 6.18.33 | ≥ 6.19, < 7.0.10
Debian1 product
  • linux< 6.1.176-1 | < 6.12.94-1 | < 7.0.10-1

3 vendors · 169 products

References

52 links
Show all 52 references