CVE-2026-68254

Summary

In 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)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux117cd09ba52857a60dc5d7f61941046625d8ff5a < 6598ac1721c3a5543efdbcab579a8561268d7ce1affected
LinuxLinux117cd09ba52857a60dc5d7f61941046625d8ff5a < f16218689b41efcbc491207cd7716477b1223879affected
LinuxLinux117cd09ba52857a60dc5d7f61941046625d8ff5a < df1582c0a101e2e2f133dd331d2a3258bb6a7518affected
LinuxLinux117cd09ba52857a60dc5d7f61941046625d8ff5a < c726c8bbee5115dad37fa7867136ebaa50690331affected
LinuxLinux117cd09ba52857a60dc5d7f61941046625d8ff5a < f8a9262c7a6fc2de9802e14b0228114f0333869eaffected
LinuxLinux5.12affected
LinuxLinux0 < 5.12unaffected
LinuxLinux6.6.151 <= 6.6.*unaffected
LinuxLinux6.12.103 <= 6.12.*unaffected
LinuxLinux6.18.44 <= 6.18.*unaffected
LinuxLinux7.1.6 <= 7.1.*unaffected
LinuxLinux7.2-rc2 <= *unaffected

Weaknesses

References