Vulnerability identifier: #VU87036

Vulnerability risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-6143

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Midgard GPU Kernel Driver
Hardware solutions / Drivers
Valhall GPU Kernel Driver
Hardware solutions / Drivers
Bifrost GPU Kernel Driver
Hardware solutions / Drivers
Arm 5th Gen GPU Architecture Kernel Driver
Hardware solutions / Firmware

Vendor: ARM

Description

The vulnerability allows a local user to escalate privileges on the system.    

The vulnerability exists due to a use-after-free error. A local user can trigger a use-after-free error and execute arbitrary code on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Midgard GPU Kernel Driver: r13p0 - r32p0

Valhall GPU Kernel Driver: r37p0 - r46p0

Arm 5th Gen GPU Architecture Kernel Driver: r41p0 - r46p0

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External links
http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.