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CVE record · CVE-2026-98507

mm/rmap: fix missing barrier between anon_vma init and vma->anon_vma publish

CVSS 7.8 HighEPSS 0.0016 · 5th percentile

Published by the CVE Program (CNA: Linux) at 18 Oct 2026, 15:17 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 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before badedec499f6320742368c73fa77cd63dcf8ca55 git
  • affected 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before aef0f69b515af1c8a4147f68a46b6b81854f46f7 git
  • affected 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before 7d103fc7b836084af585d9d3471334624354cf26 git
  • affected 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before 465e222815c8839445d09028fa4c77e70f7f1c7d git
  • affected 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before a500df43cde075f6ea4b8bae495d89f2c35b3e16 git
  • affected 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before 4cef512a955e4008ae4436a4fc97726976df1fdf git
  • affected 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before d348a715380bfcc6a611bdf722169d53fd01e735 git
  • affected 5c341ee1dfc8fe69d66b1c8b19e463c6d7201ae1 to before b6ac0b3f6013c168f22cad97e79967accacb08e1 git
Other versions: unaffected
Linux Linux
  • affected 2.6.36
  • unaffected before 2.6.36 semver
  • unaffected 5.10.273 to 5.10.*, inclusive 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 6.12.112 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-2026-98507
CNA
Linux
Tags
Published
18 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

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 0.0016, the 5th 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.