Out-of-bounds Read in Virglrenderer Project
CVE-2017-5956
The vrend_draw_vbo function in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (out-of-bounds array access and QEMU process crash) via vectors involving vertext_buffer_index.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (32.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201707-06 (vendor-advisory)
- lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html (mailing-list, Patch, Third Party Advisory)
- www.securityfocus.com/bid/96187 (VDB Entry, Third Party Advisory, vdb-entry)
- cgit.freedesktop.org/virglrenderer/commit/ (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2017/02/13/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-5956?
- CVE-2017-5956 is a medium-severity vulnerability in Virglrenderer Project, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-03-20.
- How severe is CVE-2017-5956?
- Medium severity. CVSS v3 base score is 5.5 out of 10.