#VU63350 Security features bypass


Published: 2022-05-18

Vulnerability identifier: #VU63350

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-39713

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Pixel
Mobile applications / Mobile firmware & hardware

Vendor:

Description

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

The vulnerability exists due to multiple issues in Qdisc implementation related to rcu read lock. A local application can execute arbitrary code with elevated privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://source.android.com/security/bulletin/pixel/2022-03-01
http://android.googlesource.com/kernel/common/+/9d7e82cec35c0
http://android.googlesource.com/kernel/common/+/3a7d0d07a3867
http://android.googlesource.com/kernel/common/+/86bd446b5cebd
http://android.googlesource.com/kernel/common/+/6f99528e97977
http://android.googlesource.com/kernel/common/+/e368fdb61d8e7


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability