Vulnerability identifier: #VU22482
Vulnerability risk: Low
Exploitation vector: Local
Exploit availability: No
Vendor: Linux Foundation
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to incorrect checking of the mount targets in libcontainer/rootfs_linux.go in runc. A local user can bypass AppArmor restrictions and perform unauthorized actions on the system, as demonstrated by overwriting the /proc directory with a malicious Doker image.
Install updates from vendor's website.
Vulnerable software versions
runc: 1.0.0 rc1 - 1.0.0 rc8
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?
No. We are not aware of malware exploiting this vulnerability.