CVE-2022-50037: drm/i915/ttm: don't leak the ccs state

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-18 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915/ttm: don't leak the ccs state The kernel only manages the ccs state with lmem-only objects, however the kernel should still take care not to leak the CCS state from the previous user. (cherry picked from commit 353819d85f87be46aeb9c1dd929d445a006fc6ec)

Affected products

Linux kernel: from 5.19 before 5.19.4; 6.0-rc1 — fixed in 5.19.4

How to fix

Upgrade to a fixed version: Linux kernel 5.19.4. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/232d150fa15606e96c0e01e5c7a2d4e03f621787
https://git.kernel.org/stable/c/b431cffb4883b9e90d48f0c408674c50fef428a5

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