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CVE record · CVE-2026-89961

powerpc/mm: fix wrong addr_pfn tracking in compound vmemmap population

CVSS 7.8 HighEPSS 0.0018 · 7th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:32 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 f2b79c0d79683d552369bb9a7282c1f0226fc566 to before b96be860673f9fbbf12cdadb0b25fc4d6d4d207f git
  • affected f2b79c0d79683d552369bb9a7282c1f0226fc566 to before e163c7184acf36ac20a248498f4a16016057ca01 git
  • affected f2b79c0d79683d552369bb9a7282c1f0226fc566 to before 9c914b7a0bd18834505c65f22225ce22c152b2d9 git
  • affected f2b79c0d79683d552369bb9a7282c1f0226fc566 to before 7968852a7ca3ce81477ec5b4494a28d612f35a97 git
  • affected f2b79c0d79683d552369bb9a7282c1f0226fc566 to before 89a4ae32764172468dea303eb6ae90fe6c859712 git
Other versions: unaffected
Linux Linux
  • affected 6.6
  • unaffected before 6.6 semver
  • unaffected 6.6.157 to 6.6.*, inclusive semver
  • unaffected 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.51 to 6.18.*, inclusive semver
  • unaffected 7.2.5 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89961
CNA
Linux
Tags
Published
16 Sept 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

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 0.0018, the 7th percentile, on 13 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 16 Sept 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.