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CVE record · CVE-2026-89755

mm/migrate_device: clear stale mapping after freeing swapcache

CVSS 7.8 HighEPSS 0.0016 · 4th percentile

Published by the CVE Program (CNA: Linux) at 11 Sept 2026, 19:46 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 df263d9a7dffee94ca5391120ee3b0587efa07f1 to before 92db780dd644590c751246187e1229d5ac2e5544 git
  • affected df263d9a7dffee94ca5391120ee3b0587efa07f1 to before 4fa91f7bbc4135240b67daac03fc17d9e180a331 git
  • affected df263d9a7dffee94ca5391120ee3b0587efa07f1 to before c9c29481d5d4a985a57ece2090a324ba48e362a7 git
  • affected df263d9a7dffee94ca5391120ee3b0587efa07f1 to before 8ffedc6573a665cdc31ebe47eae7b32b78d0df83 git
  • affected df263d9a7dffee94ca5391120ee3b0587efa07f1 to before 34a00895d032a414830d41106a09329ae6c251b6 git
Other versions: unaffected
Linux Linux
  • affected 6.6
  • unaffected before 6.6 semver
  • unaffected 6.6.160 to 6.6.*, inclusive semver
  • unaffected 6.12.111 to 6.12.*, inclusive semver
  • unaffected 6.18.61 to 6.18.*, inclusive semver
  • unaffected 7.2.4 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-89755
CNA
Linux
Tags
Published
11 Sept 2026
Updated
6 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
7.8 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 4th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 11 Sept 2026, 19:46 UTC Confirmed by the CVE List
  2. 11 Sept 2026, 20:20 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.