Multiple vulnerabilities in ARM Mali GPU kernel drivers

Published: 2022-04-06 | Updated: 2023-06-06

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-28348 CVE-2022-28350
CWE-ID	CWE-416
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Midgard GPU Kernel Driver Hardware solutions / Drivers Bifrost GPU Kernel Driver Hardware solutions / Drivers Valhall GPU Kernel Driver Hardware solutions / Drivers
Vendor

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU76983

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-28348

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a malicious application to escalate privileges on the device.

The vulnerability exists due to a use-after-free error. A malicious application can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Midgard GPU Kernel Driver: before r32p0

Bifrost GPU Kernel Driver: before r37p0

Valhall GPU Kernel Driver: before r37p0

CPE2.3

External links

http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
http://developer.arm.com/support/arm-security-updates

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.

2) Use-after-free

EUVDB-ID: #VU76982