#VU72526 Use-after-free in Pixel - CVE-2022-20566
Published: February 23, 2023
Vulnerability identifier: #VU72526
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2022-20566
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Pixel
Pixel
Software vendor:
Google
Description
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the l2cap_chan_put() function in Bluetooth L2CAP implementation. A local application can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Remediation
Install updates from vendor's website.