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CVE-2025-38188

drm/msm/a7xx: Call CP_RESET_CONTEXT_STATE

MEDIUM
5.5
CVSS Score
Published: July 4, 2025 at 01:37 PM UTC
Updated: June 17, 2026 at 09:16 AM 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/a7xx: Call CP_RESET_CONTEXT_STATE Calling this packet is necessary when we switch contexts because there are various pieces of state used by userspace to synchronize between BR and BV that are persistent across submits and we need to make sure that they are in a "safe" state when switching contexts. Otherwise a userspace submission in one context could cause another context to function incorrectly and hang, effectively a denial of service (although without leaking data). This was missed during initial a7xx bringup. Patchwork: https://patchwork.freedesktop.org/patch/654924/

Affected

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

Linux Kernel· Linux
95%
6.13 ≤ v < 6.15.46.7 ≤ v < 6.12.356.7 ≤ v < 6.15.46.7 ≤ v < 6.166.16 rc16.16 rc26.7af66706accdf5afef45204afc87037f876e0665c
Vendor states this is fixed in 2b520c6104f34e3a548525173c38ebca4402cac3 (fixed)
Vendor states this is fixed in 35fe72f3c425bbf1d580bd9066e2456b1dbae4a8 (fixed)
Vendor states this is fixed in 8a1f52651dd8203695d293c6824d8f6c067877d1 (fixed)
Vendor states this is fixed in 6.12.35 (unaffected)
Vendor states this is fixed in 6.15.4 (unaffected)
Vendor states this is fixed in 6.16 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/2b520c6104f34e3a548525173c38ebca4402cac3
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/35fe72f3c425bbf1d580bd9066e2456b1dbae4a8
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/8a1f52651dd8203695d293c6824d8f6c067877d1

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
NVD-CWE-noinfo

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