drm/i915/vrr: require valid min/max vfreq for VRR

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68254
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:20:13 UTC
Updated2026-08-10 13:20:13 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: drm/i915/vrr: require valid min/max vfreq for VRR Ensure the EDID provided min/max vfreq are valid. Most scenarios are already covered (by coincidence) through the checks in intel_vrr_is_capable() and intel_vrr_is_in_range(), but be more explicit about it. At worst, a zero min_vfreq could lead to a division by zero in intel_vrr_compute_vmax(). Discovered using AI-assisted static analysis confirmed by Intel Product Security. (cherry picked from commit 1765cf59f517b02f3b0591fe5120930d08bddeb6)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 117cd09ba52857a60dc5d7f61941046625d8ff5a 6598ac1721c3a5543efdbcab579a8561268d7ce1 git Not specified
CNA Linux Linux affected 117cd09ba52857a60dc5d7f61941046625d8ff5a f16218689b41efcbc491207cd7716477b1223879 git Not specified
CNA Linux Linux affected 117cd09ba52857a60dc5d7f61941046625d8ff5a df1582c0a101e2e2f133dd331d2a3258bb6a7518 git Not specified
CNA Linux Linux affected 117cd09ba52857a60dc5d7f61941046625d8ff5a c726c8bbee5115dad37fa7867136ebaa50690331 git Not specified
CNA Linux Linux affected 117cd09ba52857a60dc5d7f61941046625d8ff5a f8a9262c7a6fc2de9802e14b0228114f0333869e git Not specified
CNA Linux Linux affected 5.12 Not specified
CNA Linux Linux unaffected 5.12 semver Not specified
CNA Linux Linux unaffected 6.6.151 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.103 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.44 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.6 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2-rc2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/c726c8bbee5115dad37fa7867136ebaa50690331 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6598ac1721c3a5543efdbcab579a8561268d7ce1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f16218689b41efcbc491207cd7716477b1223879 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/df1582c0a101e2e2f133dd331d2a3258bb6a7518 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f8a9262c7a6fc2de9802e14b0228114f0333869e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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