Privilege escalation in ARM Utgard GPU Kernel Driver



Published: 2023-08-07
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-34830
CWE-ID CWE-416
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Utgard GPU Kernel Driver
Mobile applications / Mobile firmware & hardware

Vendor

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU79076

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-2022-34830

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Utgard GPU Kernel Driver: before r13p0

External links

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


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.



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