Bug 2502581 (CVE-2026-64049) - CVE-2026-64049 kernel: drm/msm/adreno: fix userspace-triggered crash on a2xx-a4xx
Summary: CVE-2026-64049 kernel: drm/msm/adreno: fix userspace-triggered crash on a2xx-...
Keywords:
Status: NEW
Alias: CVE-2026-64049
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-19 17:07 UTC by OSIDB Bzimport
Modified: 2026-07-20 07:32 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-07-19 17:07:19 UTC
In the Linux kernel, the following vulnerability has been resolved:

drm/msm/adreno: fix userspace-triggered crash on a2xx-a4xx

Before a5xx Adreno driver will not try fetching UBWC params (because
those generations didn't support UBWC anyway), however it's still
possible to query UBWC-related params from the userspace, triggering
possible NULL pointer dereference. Check for UBWC config in
adreno_get_param() and return sane defaults if there is none.

Patchwork: https://patchwork.freedesktop.org/patch/717778/


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