Vulnerability Description
A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer). The virgl did not properly initialize memory when allocating a host-backed memory resource. A malicious guest could use this flaw to mmap from the guest kernel and read this uninitialized memory from the host, possibly leading to information disclosure.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Virglrenderer Project | Virglrenderer | 0.9.0 |
| Redhat | Enterprise Linux | 8.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2022-0175Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2039003Issue TrackingPatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a8516PatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654PatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2022-0175PatchThird Party Advisory
- https://security.gentoo.org/glsa/202210-05Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2022-0175Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2039003Issue TrackingPatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a8516PatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654PatchThird Party Advisory
- https://security-tracker.debian.org/tracker/CVE-2022-0175PatchThird Party Advisory
- https://security.gentoo.org/glsa/202210-05Third Party Advisory
FAQ
What is CVE-2022-0175?
CVE-2022-0175 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer). The virgl did not properly initialize memory when allocating a host-backed memory resource. A malicious guest could use this flaw...
How severe is CVE-2022-0175?
CVE-2022-0175 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-0175?
Check the references section above for vendor advisories and patch information. Affected products include: Virglrenderer Project Virglrenderer, Redhat Enterprise Linux.