Arm Bifrost GPU Kernel Driver up to r49p3/r51p0 use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Arm Bifrost GPU Kernel Driver, Valhall GPU Kernel Driver and 5th Gen GPU Architecture Kernel Driver up to r49p3/r51p0 and classified as critical. This affects an unknown part. This manipulation causes use after free. This vulnerability is tracked as CVE-2025-0427. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability was found in Arm Bifrost GPU Kernel Driver, Valhall GPU Kernel Driver and 5th Gen GPU Architecture Kernel Driver up to r49p3/r51p0. It has been declared as critical. 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 Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform valid GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r8p0 through r49p3, from r50p0 through r51p0; Valhall GPU Kernel Driver: from r19p0 through r49p3, from r50p0 through r53p0; Arm 5th Gen GPU Architecture Kernel Driver: from r41p0 through r49p3, from r50p0 through r53p0.

The advisory is shared at developer.arm.com. This vulnerability is known as CVE-2025-0427 since 01/13/2025. The exploitation appears to be easy. An attack has to be approached locally. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/12/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 7.8

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/13/2025 🔍
05/02/2025 +108 days 🔍
05/02/2025 +0 days 🔍
05/12/2025 +10 days 🔍

Sourcesinfo

Advisory: developer.arm.com
Status: Confirmed

CVE: CVE-2025-0427 (🔍)
GCVE (CVE): GCVE-0-2025-0427
GCVE (VulDB): GCVE-100-307177

Entryinfo

Created: 05/02/2025 12:43
Updated: 05/12/2025 19:41
Changes: 05/02/2025 12:43 (54), 05/12/2025 19:41 (10)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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