This security bulletin contains one high risk vulnerability.
CWE-416 - Use After Free
Exploit availability: NoDescription
The vulnerability allows a malicious application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in the Android kernel component within the epoll_loop_check_proc() function. A malicious application can trigger a use-after-free error and execute arbitrary code with kernel privileges.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's website.Vulnerable software versions
Google Android: 9 2021-09-01 - 9.0 2021-06-05, 10 - 10 2021-11-05, 11 - 11 2021-11-05, 12 - 12 2021-11-05
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?
Yes. This vulnerability is being exploited in the wild.