Riskcovery

CVE-2026-80915

drm/xe: Fix DPT allocation paths.

State
Published
Severity
Not scored
Published
Sep 9, 2026
Updated
Sep 9, 2026
Reserved
Aug 26, 2026

Read the record on cve.org

Description

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

drm/xe: Fix DPT allocation paths.

Remove the fallback for VRAM to system memory, I tested it and that doesn't work at all, only a black screen with pipe fault errors were observed.

On systems with media GT, extra latency is added when accessing stolen memory when the GT is in MC6. Since we additionally aren't counting how much memory is used for stolen and we could in theory fill up the entire stolen area with DPT's, avoid using stolen and only use the default memory region.

Using stolen may also result in random system hangs under load.

(cherry picked from commit a196406a3831291598fe8e73245914f7acffdfe0)

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 775d0adc01a55fe0458139330415d86bb3533efe to before 491c499295fb0b90308b230b0a1075dcdf7f4d12Affected
  • 775d0adc01a55fe0458139330415d86bb3533efe to before f03415030579163f791c978741af7f1f2f6510b7Affected
  • 775d0adc01a55fe0458139330415d86bb3533efe to before c457e2c845ccbf2224386029f3da4937ba424db0Affected
  • 775d0adc01a55fe0458139330415d86bb3533efe to before fc648757908304aedbad74f74bf58192aec383dbAffected
  • 4854ac2f88e2168ee4da2b152c6711772a8149aaAffected
  • 6.11.3 to before 6.12Affected
LinuxLinux
  • 6.12Affected
  • before 6.12Not affected
  • 6.12.106 through 6.12.*Not affected
  • 6.18.47 through 6.18.*Not affected
  • 7.1.11 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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