SB2023100256 - Multiple vulnerabilities in Mali GPU Kernel Drivers

Description

This security bulletin contains information about 2 vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2023-33200)

CWE-ID: CWE-416 - Use After Free

CVSSv4: 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

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 memory corruption and execute arbitrary code with elevated privileges.

2) Race condition (CVE-ID: CVE-2023-34970)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: 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

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

The vulnerability exists due to a race condition. A local user can exploit the race to trigger a use-after-free and execute arbitrary code with elevated privileges.

Remediation

Install update from vendor's website.

References

• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities#CVE-2023-33200
• https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities#CVE-2023-34970