CVE record · CVE-2026-99074

ipv4: stop PMTU walk when nexthop group shrinks

No CVSS scoreEPSS 0.0015 · 4th percentile

Published by the CVE Program (CNA: Linux) at 23 Oct 2026, 12:23 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 fc07a232326a623d0be482e307c08ea7049c2846 to before 82d83eec893d8ae84f280aec44c60d9fdecc62b5 git affected b1f7bdee5750d6cbb9497140cd6582abc5fdcb9e to before a411df69524f91fe3adb8f9544d33e701fc9732c git affected 3bed2abab4a682d426624ce9add9d7b6d475d4e4 to before 7fd60d3c9a1e1b11ef5f1643bbae78d91eae2f4a git affected 7f5005457b3072fe1ddf15bfef869f2a1d98e05e to before c60d17d6dd61adc761ac6f65a008fefbc54cbf87 git affected 7d3f3b4367f315a61fc615e3138f3d320da8c466 to before c6d670ac656badfd0e15355e07a13a6bdf3b69fd git affected 7d3f3b4367f315a61fc615e3138f3d320da8c466 to before f27483f9975b5065ff67054cc7eb8edac6083488 git affected 7d3f3b4367f315a61fc615e3138f3d320da8c466 to before 6619e01855e65ef35723685a557e3eb106f4ecf5 git affected 5.15.179 to before 5.15.224 semver affected 6.1.129 to before 6.1.191 semver affected 6.6.79 to before 6.6.160 semver affected 6.12.16 to before 6.12.113 semver Other versions: unaffected
Linux	Linux	affected 6.13 unaffected before 6.13 semver unaffected 5.15.224 to 5.15., inclusive semver unaffected 6.1.191 to 6.1., inclusive semver unaffected 6.6.160 to 6.6., inclusive semver unaffected 6.12.113 to 6.12., inclusive semver unaffected 6.18.57 to 6.18., inclusive semver unaffected 7.2.11 to 7.2., inclusive semver unaffected 7.3 to *, inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-99074
CNA: Linux
Tags: Linux kernel
Published: 23 Oct 2026
Updated: 30 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

No source has published a CVSS score for this record yet.

CISA KEV Not listed.
EPSS 0.0015, the 4th 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 23 Oct 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.