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CVE record · CVE-2026-90391

lib/test_hmm: fail dmirror_fault() when the mirrored mm is gone

No CVSS scoreEPSS 0.0021 · 11th percentile

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:09 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 b2ef9f5a5cb37643ca5def3516c546457074b882 to before 50606ced303782f8715e2d0b98ca374ea498fa29 git
  • affected b2ef9f5a5cb37643ca5def3516c546457074b882 to before 541a67f21ab807c8dbc0ea88d5a2eb73b2618090 git
  • affected b2ef9f5a5cb37643ca5def3516c546457074b882 to before d8e64ffab01e032ae29159d27230ace8cf8bdc80 git
  • affected b2ef9f5a5cb37643ca5def3516c546457074b882 to before 2636569ea7c19d9a40db4a1e8d0a027bdacf1569 git
  • affected b2ef9f5a5cb37643ca5def3516c546457074b882 to before 701347e31aa607f3782403151a3125729d685275 git
  • affected b2ef9f5a5cb37643ca5def3516c546457074b882 to before af7a6d6ec36a16a583ba2e4e9984c3cf1fe34655 git
  • affected b2ef9f5a5cb37643ca5def3516c546457074b882 to before a2074f86fc9653831e4fb7b711bb715db330f182 git
  • affected b2ef9f5a5cb37643ca5def3516c546457074b882 to before 6a8024511ddf4877435c34fb3d6028aa8e590649 git
Other versions: unaffected
Linux Linux
  • affected 5.8
  • unaffected before 5.8 semver
  • unaffected 5.10.270 to 5.10.*, inclusive semver
  • unaffected 5.15.221 to 5.15.*, inclusive semver
  • unaffected 6.1.188 to 6.1.*, inclusive semver
  • unaffected 6.6.157 to 6.6.*, inclusive semver
  • unaffected 6.12.110 to 6.12.*, inclusive semver
  • unaffected 6.18.52 to 6.18.*, inclusive semver
  • unaffected 7.2.6 to 7.2.*, inclusive semver
  • unaffected 7.3 to *, inclusive original_commit_for_fix
Other versions: affected
Identifiers
CVE-2026-90391
CNA
Linux
Tags
Published
17 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

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0021, the 11th 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 17 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.