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CVE record · CVE-2026-89817

drm/gud: NUL-terminate TV mode names read from the device

No CVSS scoreEPSS 0.0021 · 11th 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 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 to before 08c8ec28547987e55a90c662f8795e05c2925498 git
  • affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 to before 9096edfd6f2edbc79612b482547e0972edbcfe4b git
  • affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 to before 89210cb5ff8fdbe055c97ac688be2268f6c815ae git
  • affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 to before d0f3312f7800eb0e00d1264f66104c788f43dd69 git
  • affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 to before b86438a5c6b0250ccb07dd380184d1e70e0dea6c git
  • affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 to before 6ea61f1d4cbaa0db937e31bffc041fb8afeacf52 git
  • affected 40e1a70b4aedf2859a1829991b48ef0ebe650bf2 to before 500cb24cd61bad8a2747ddfc49b7034899c82d94 git
Other versions: unaffected
Linux Linux
  • affected 5.13
  • unaffected before 5.13 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-2026-89817
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 0.0021, the 11th 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.