Zero-day vulnerability in Firmware

Use-after-free
CVE-2023-33063

Vulnerability details

Advisory: SB2023100477 - Multiple vulnerabilities in Qualcomm firmware

Vulnerable component: Firmware

CVE-ID: CVE-2023-33063

CVSSv3 score: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-416 - Use After Free

Description:

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

The vulnerability exists due to a use-after-free error during a remote call from HLOS to DSP. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.