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CVE record · CVE-2026-98866

sched/cache: Introduce task_struct->sched_cache_grp to fix UAF

No CVSS scoreEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:51 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 df0d98475954d655571979aa061ecb07d7e00392 to before 9436130e6da72af63289a4acb3aa0c1df07a3928 git
  • affected df0d98475954d655571979aa061ecb07d7e00392 to before b636fef85bda7d1bab9c0a45067ab1508d79d946 git
Other versions: unaffected
Linux Linux
  • affected 7.2
  • unaffected before 7.2 semver
  • unaffected 7.2.10 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-98866
CNA
Linux
Tags
Published
18 Oct 2026
Updated
19 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 0.0014, the 3rd 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.