Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Virglrenderer Project | Virglrenderer | <= 0.8.0 |
| Opensuse | Leap | 15.1 |
| Redhat | Enterprise Linux | 8.0 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.htmlMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/cve-2019-18389Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1765577Issue TrackingPatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada6PatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00017.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.htmlMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/cve-2019-18389Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1765577Issue TrackingPatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada6PatchThird Party Advisory
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00017.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2019-18389?
CVE-2019-18389 is a vulnerability with a CVSS score of 7.8 (HIGH). 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-h...
How severe is CVE-2019-18389?
CVE-2019-18389 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-18389?
Check the references section above for vendor advisories and patch information. Affected products include: Virglrenderer Project Virglrenderer, Opensuse Leap, Redhat Enterprise Linux, Debian Debian Linux.