Buffer overflow in Virglrenderer Project
CVE-2019-18389
A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
Vulnerability class: Buffer Overflow
EPSS: 0.004 (36.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Virglrenderer_project Virglrenderer
- Debian Debian_linux — versions 10.0
- Opensuse Leap — versions 15.1
- Redhat Enterprise_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-18389?
- CVE-2019-18389 is a high-severity vulnerability in Virglrenderer Project, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2019-12-23.
- How severe is CVE-2019-18389?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-18389 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.