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CVE-2026-64049

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

MEDIUM
5.5
CVSS Score
Published: July 19, 2026 at 03:39 PM UTC
Updated: September 2, 2026 at 09:22 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

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/

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
6.17 ≤ v < 6.18.346.17 ≤ v < 7.0.116.17 ≤ v < 7.16.19 ≤ v < 7.0.117.1 rc17.1 rc27.1 rc37.1 rc4a452510aad53f665eb422784ff525c4889aa246f
Vendor states this is fixed in 22fc33d9b67694b24e0deb3f08c622464338cecb (fixed)
Vendor states this is fixed in 2b4abf879360ea00a9e2b46d2d15dcdbc0687eed (fixed)
Vendor states this is fixed in eea43d5ed45089705bc5d70971c39076962d5951 (fixed)
Vendor states this is fixed in 6.17 (unaffected)
Vendor states this is fixed in 6.18.34 (unaffected)
Vendor states this is fixed in 7.0.11 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

References (3)

Patch
Source: cverecord
https://git.kernel.org/stable/c/eea43d5ed45089705bc5d70971c39076962d5951
Patch
Source: cverecord
https://git.kernel.org/stable/c/22fc33d9b67694b24e0deb3f08c622464338cecb
Patch
Source: cverecord
https://git.kernel.org/stable/c/2b4abf879360ea00a9e2b46d2d15dcdbc0687eed

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-476

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