Out-of-bounds write in virglrenderer - CVE-2022-0135
Published: July 15, 2022
Vulnerability identifier: #VU65365
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-0135
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: virgl
Affected software:
virglrenderer
virglrenderer
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code on the system.
The vulnerability exists due to a boundary error when processing untrusted input in the VirGL virtual OpenGL renderer. A local user can pass a specially crafted virgil resource and then issue a VIRTGPU_EXECBUFFER ioctl, leading to a denial of service or possible code execution.
How to mitigate CVE-2022-0135
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.