Arm Bifrost GPU Kernel Driver up to r45p0 use after free

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Arm Bifrost GPU Kernel Driver, Valhall GPU Kernel Driver and 5th Gen GPU Architecture Kernel Driver up to r45p0. The impacted element is an unknown function. The manipulation results in use after free. This vulnerability is cataloged as CVE-2023-5427. The attack must be initiated from a local position. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Arm Bifrost GPU Kernel Driver, Valhall GPU Kernel Driver and 5th Gen GPU Architecture Kernel Driver up to r45p0 (Hardware Driver Software). Affected is an unknown code block. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. The impact remains unknown. CVE summarizes:

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 to make improper GPU processing operations to gain access to already freed memory.This issue affects Bifrost GPU Kernel Driver: from r44p0 through r45p0; Valhall GPU Kernel Driver: from r44p0 through r45p0; Arm 5th Gen GPU Architecture Kernel Driver: from r44p0 through r45p0.

The weakness was shared 12/01/2023. The advisory is available at developer.arm.com. This vulnerability is traded as CVE-2023-5427 since 10/05/2023. The technical details are unknown and an exploit is not available.

Upgrading to version r46p0 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Hardware Driver Software

Vendor

Name

Version

r45p0

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bifrost GPU Kernel Driver/Valhall GPU Kernel Driver/5th Gen GPU Architecture Kernel Driver r46p0

Timelineinfo

10/05/2023 🔍
12/01/2023 +57 days 🔍
12/01/2023 +0 days 🔍
02/26/2026 +818 days 🔍

Sourcesinfo

Advisory: 176029
Status: Confirmed

CVE: CVE-2023-5427 (🔍)
GCVE (CVE): GCVE-0-2023-5427
GCVE (VulDB): GCVE-100-246594

Entryinfo

Created: 12/01/2023 12:01
Updated: 02/26/2026 09:25
Changes: 12/01/2023 12:01 (39), 12/21/2023 18:39 (1), 12/21/2023 18:46 (11), 02/14/2025 07:12 (16), 02/26/2026 09:25 (12)
Complete: 🔍
Cache ID: 216::103