Vulnerability identifier: #VU80048

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-2023-32804

CWE-ID: CWE-119

Exploitation vector: Local

Exploit availability: No

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

Vendor: ARM

Description

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

The vulnerability exists due to a boundary error in Mali GPU Userspace Driver. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Arm 5th Gen GPU Architecture Kernel Driver: r41p0 - r44p0

Valhall GPU Kernel Driver: r19p0 - r44p0

Bifrost GPU Kernel Driver: r24p0 - r44p0

Midgard GPU Kernel Driver: r12p0 - r32p0

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External links
http://chromereleases.googleblog.com/2023/08/stable-channel-update-for-chromeos_25.html

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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.