Vulnerability identifier: #VU61217
Vulnerability risk: Low
CVSSv3.1:
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Local
Exploit availability: Yes
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an error in the vmwgfx driver in Linux kernel. A local unprivileged user can gain access to files opened by other processes on the system through a dangling 'file' pointer.
Exploiting this vulnerability requires an attacker to have access to either /dev/dri/card0 or /dev/dri/rendererD128 and be able to issue an ioctl() on the resulting file descriptor.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Linux kernel: All versions
CPE
External links
http://www.openwall.com/lists/oss-security/2022/01/27/4
http://www.openwall.com/lists/oss-security/2022/02/03/1
http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0f90c8815706981c483a652a6aefca51a5e191c
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?