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CVE record · CVE-2026-89821

drm/amd/display: avoid divide-by-zero in __is_lut_linear()

No CVSS scoreEPSS 0.0022 · 12th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:30 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 086247a4b2fba49800b27807f22bb894cd8363fb to before 2320626425f3af3a25b8afb6876f205b1c6d4e64 git
  • affected 086247a4b2fba49800b27807f22bb894cd8363fb to before d1e06d5dc8f12451ce71dc068342660a34476084 git
  • affected 086247a4b2fba49800b27807f22bb894cd8363fb to before c127ace7af2b40107947a6504391f94d6fd21734 git
  • affected 086247a4b2fba49800b27807f22bb894cd8363fb to before 4d5ee095a58461b2446d7a6eb0c14c2fe3eaab44 git
  • affected 086247a4b2fba49800b27807f22bb894cd8363fb to before 5f18cd1ba873e751bf5547407ad44ea34adfbe2f git
  • affected 086247a4b2fba49800b27807f22bb894cd8363fb to before ee28fafb50f58b847509b5240b431ddec673bdfe git
  • affected 086247a4b2fba49800b27807f22bb894cd8363fb to before 15ee43aad0df43dfd1dbb32e7d5b951745c4b87f git
  • affected 086247a4b2fba49800b27807f22bb894cd8363fb to before 4f40873f8a4107df2b9c8e68c947c4fd0cd519d2 git
Other versions: unaffected
Linux Linux
  • affected 4.17
  • unaffected before 4.17 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 6.18.51 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-2026-89821
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

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

  • CISA KEV Not listed.
  • EPSS 0.0022, the 12th percentile, on 14 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.