Vulnerability in Virglrenderer Project
CVE-2022-0175
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.003 (22.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Virglrenderer Project — versions 0.9.0, 0.9.1
- Red Hat Enterprise Linux — versions 8.0
- Virglrenderer — versions Affects v0.9.0 and later.
Weakness classification (CWE)
References
- gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654 (Patch, Third Party Advisory)
- gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a315… (Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- security-tracker.debian.org/tracker/CVE-2022-0175 (Patch, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2022-0175 (Third Party Advisory)
- security.gentoo.org/glsa/202210-05 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-0175?
- CVE-2022-0175 is a medium-severity vulnerability in Virglrenderer Project, classified under CWE-909. CVSS score: 5.5/10. Published 2022-08-26.
- How severe is CVE-2022-0175?
- Medium severity. CVSS v3 base score is 5.5 out of 10.