Public vulnerability disclosure

CVE-2026-31460

drm/amd/display: check if ext_caps is valid in BL setup

published

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: check if ext_caps is valid in BL setup LVDS connectors don't have extended backlight caps so check if the pointer is valid before accessing it. (cherry picked from commit 3f797396d7f4eb9bb6eded184bbc6f033628a6f6)

Technical severityUnscoredNo score in collected sources
Published2026-04-22Source updated 2026-11-05
Collected2026-11-052 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Linux
Linux
≥ 1454642960b0a4fafd48b08919d39350ee2ac372; < 60b0524bfb7d691ab378cdc788209f11cd34da89 (affected, git)
≥ 1454642960b0a4fafd48b08919d39350ee2ac372; < 9da4f9964abcaeb6e19797d5e3b10faad338a786 (affected, git)
Other versions: unaffected
CNA: Linux
Linux
Linux
6.19 (affected)
≥ 0; < 6.19 (unaffected, semver)
≥ 6.19.11; ≤ 6.19.* (unaffected, semver)
≥ 7.0; ≤ * (unaffected, original_commit_for_fix)
Other versions: affected
CNA: Linux

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

No CVSS assessment reported. An unscored record is not a low-severity determination.

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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