#VU91116 Use-after-free in ARM products - CVE-2024-0671

Vulnerability identifier: #VU91116

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-0671

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Midgard GPU Kernel Driver
Hardware solutions / Drivers
Bifrost GPU Kernel Driver
Hardware solutions / Drivers
Valhall 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 execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Midgard GPU Kernel Driver: r19p0 - r32p0

Bifrost GPU Kernel Driver: r7p0 - r48p0

Valhall GPU Kernel Driver: r19p0 - r48p0

Arm 5th Gen GPU Architecture Kernel Driver: r41p0 - r48p0

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External links
https://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.