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CVE record · CVE-2026-98442

net/sched: act_ct: fix helper UAF due to extensions realloc

CVSS 7.8 HighEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:14 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
VendorProductVersions
Linux Linux
  • affected a21b06e7319129994f339ed47f512bbe57b77f5b to before 31f5fe29a572037ee19c233dfe506849940c484b git
  • affected a21b06e7319129994f339ed47f512bbe57b77f5b to before 1679bbf5fbeac52a310b1a58b2b301bbf388bdbf git
  • affected a21b06e7319129994f339ed47f512bbe57b77f5b to before 812c16a255e7773a544e88b39ae6daed25544d30 git
  • affected a21b06e7319129994f339ed47f512bbe57b77f5b to before 8988f4d11f3fba0ab38122178836c683ad516a05 git
  • affected a21b06e7319129994f339ed47f512bbe57b77f5b to before dad19b59da050cb60d3f7023dac2a042a84bf0bd git
Other versions: unaffected
Linux Linux
  • affected 6.2
  • unaffected before 6.2 semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.112 to 6.12.*, inclusive semver
  • unaffected 6.18.55 to 6.18.*, inclusive semver
  • unaffected 7.2.9 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98442
CNA
Linux
Tags
Published
18 Oct 2026
Updated
24 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

ScoreRatingCVSSVectorSource
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)
  • CISA KEV Not listed.
  • EPSS 0.0013, the 2nd percentile, on 8 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 18 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.