CVE-2025-6349 | BDVDB-2026-303397 Detail

ArmValhall GPU Kernel Driver

Description#

Use After Free vulnerability in Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to gain access to already freed memory.This issue affects Valhall GPU Kernel Driver: from r53p0 through r54p1; Arm 5th Gen GPU Architecture Kernel Driver: from r53p0 through r54p1.

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: local.

Weaknesses#

CWE-416 Use After Free

References#

https://developer.arm.com/documentation/110697/latest/

Exploit#

No public exploit known

History#

Version 12025-12-01Record published in the CVE List.

Published

Published: 2025-12-01
Last modified: 2025-12-01

Vendor information

Vendor: Arm
Product: Valhall GPU Kernel Driver

All Arm vulnerabilities

Score

5.1 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 7.2.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= r53p0 and <= r54p1
Fixed
Not stated
Vulnerable
Not stated
Fixed
r54p2
Vulnerable
Not stated
Fixed
r55p0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.1 Medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).