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CVE record · CVE-2026-99218

coredump: hold RCU while releasing parked threads

CVSS 7.0 HighEPSS 0.0012 · 2nd percentile

Published by the CVE Program (CNA: Linux) at 2 Nov 2026, 16:06 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 a94e2d408eaedbd85aae259621d46fafc10479a2 to before fd0fbe84312fda2fc187428c92c50b7d03a9d24c git
  • affected a94e2d408eaedbd85aae259621d46fafc10479a2 to before 71146c437bae59e5280f657965dc6d006ee3989b git
  • affected a94e2d408eaedbd85aae259621d46fafc10479a2 to before 0fce73efee40c65ce26641c5d93942462f9e8307 git
  • affected a94e2d408eaedbd85aae259621d46fafc10479a2 to before 16e94ed90b1b02398e044d41fd1db34828daa08e git
  • affected a94e2d408eaedbd85aae259621d46fafc10479a2 to before a0f09ff4c6b93312e565cfe75d76c3a551a3ec4c git
  • affected a94e2d408eaedbd85aae259621d46fafc10479a2 to before b0eca0edddf4c1dbaf6d1f6a8636b4235f5bc573 git
  • affected a94e2d408eaedbd85aae259621d46fafc10479a2 to before 61d58591aa0188bf2463e263962256316ff8b576 git
Other versions: unaffected
Linux Linux
  • affected 2.6.27
  • unaffected before 2.6.27 semver
  • unaffected 6.1.191 to 6.1.*, inclusive semver
  • unaffected 6.6.161 to 6.6.*, inclusive semver
  • unaffected 6.12.115 to 6.12.*, inclusive semver
  • unaffected 6.18.60 to 6.18.*, inclusive semver
  • unaffected 7.2.14 to 7.2.*, inclusive semver
  • unaffected 7.3.1 to 7.3.*, inclusive semver
  • unaffected 7.4-rc1 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-99218
CNA
Linux
Tags
Published
2 Nov 2026
Updated
3 Nov 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
7.0 High 3.1 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CNA (Linux)
  • CISA KEV Not listed.
  • EPSS 0.0012, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 2 Nov 2026, 16:06 UTC Confirmed by the CVE List
  2. 2 Nov 2026, 16:12 UTC First seen by agentprime
  3. 2 Nov 2026, 16:17 UTC Confirmed by NVD

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.