Arm Valhall GPU Kernel Driver up to r54p1 use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability has been found in Arm Valhall GPU Kernel Driver and 5th Gen GPU Architecture Kernel Driver up to r54p1 and classified as critical. This affects an unknown function. This manipulation causes use after free. This vulnerability is tracked as CVE-2025-6349. The attack is restricted to local execution. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Arm Valhall GPU Kernel Driver and 5th Gen GPU Architecture Kernel Driver up to r54p1. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed by Pumpkin. It is possible to read the advisory at developer.arm.com. This vulnerability is known as CVE-2025-6349 since 06/19/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2025-199981) and CERT Bund (WID-SEC-2025-2711). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Lenovo BIOS
  • Lenovo Computer
  • Google Android

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/19/2025 CVE reserved
12/01/2025 +165 days Advisory disclosed
12/01/2025 +0 days VulDB entry created
12/21/2025 +20 days VulDB entry last update

Sourcesinfo

Advisory: developer.arm.com
Researcher: Pumpkin
Status: Confirmed

CVE: CVE-2025-6349 (🔒)
GCVE (CVE): GCVE-0-2025-6349
GCVE (VulDB): GCVE-100-333847
EUVD: 🔒
CERT Bund: WID-SEC-2025-2711 - Android Patchday Dezember 2025: Mehrere Schwachstellen

Entryinfo

Created: 12/01/2025 14:38
Updated: 12/21/2025 18:44
Changes: 12/01/2025 14:38 (55), 12/01/2025 21:55 (1), 12/21/2025 18:44 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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