CVE-2023-53258

Summary

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: Fix possible underflow for displays with large vblank

[Why] Underflow observed when using a display with a large vblank region and low refresh rate

[How] Simplify calculation of vblank_nom

Increase value for VBlankNomDefaultUS to 800us

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4c3861f587400db00801810eb8034c7b480e21dd < d5741133e6e2f304b40ca1da0e16f62af06f4d22affected
LinuxLinux4c3861f587400db00801810eb8034c7b480e21dd < 64bc8e10c87adf60b2d32aacf3afb288e51d5a62affected
LinuxLinux4c3861f587400db00801810eb8034c7b480e21dd < 1a4bcdbea4319efeb26cc4b05be859a7867e02dcaffected
LinuxLinux6.0affected
LinuxLinux0 < 6.0unaffected
LinuxLinux6.1.43 <= 6.1.*unaffected
LinuxLinux6.4.8 <= 6.4.*unaffected
LinuxLinux6.5 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References