CVE record · CVE-2026-23111

netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()

CVSS 7.8 HighEPSS 0.0052 · 44th percentile

Published by the CVE Program (CNA: Linux) at 13 Feb 2026, 13:29 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected 25aa2ad37c2162be1c0bc4fe6397f7e4c13f00f8 to before 8c760ba4e36c750379d13569f23f5a6e185333f5 git affected d60be2da67d172aecf866302c91ea11533eca4d9 to before b9b6573421de51829f7ec1cce76d85f5f6fbbd7f git affected 628bd3e49cba1c066228e23d71a852c23e26da73 to before 42c574c1504aa089a0a142e4c13859327570473d git affected 628bd3e49cba1c066228e23d71a852c23e26da73 to before 1444ff890b4653add12f734ffeffc173d42862dd git affected 628bd3e49cba1c066228e23d71a852c23e26da73 to before 8b68a45f9722f2babe9e7bad00aa74638addf081 git affected 628bd3e49cba1c066228e23d71a852c23e26da73 to before f41c5d151078c5348271ffaf8e7410d96f2d82f8 git affected bc9f791d2593f17e39f87c6e2b3a36549a3705b1 git affected 3c7ec098e3b588434a8b07ea9b5b36f04cef1f50 git affected a136b7942ad2a50de708f76ea299ccb45ac7a7f9 git affected dc7cdf8cbcbf8b13de1df93f356ec04cdeef5c41 git affected 5.15.121 to before 5.15.200 semver affected 6.1.36 to before 6.1.163 semver and 4 more Other versions: unaffected
Linux	Linux	affected 6.4 unaffected before 6.4 semver unaffected 5.15.200 to 5.15., inclusive semver unaffected 6.1.163 to 6.1., inclusive semver unaffected 6.6.124 to 6.6., inclusive semver unaffected 6.12.70 to 6.12., inclusive semver unaffected 6.18.10 to 6.18., inclusive semver unaffected 6.19 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-23111
CNA: Linux
Weakness (CWE): CWE-416 · CWE-672
Tags: Linux kernel
Memory corruption
CWE-672
Published: 13 Feb 2026
Updated: 15 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)Used for this record
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	ADP (redhat-SADP)

CISA KEV Not listed.
EPSS 0.0052, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 13 Feb 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.