CVE-2019-18389

moderate-risk
Published 2019-12-23

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.

Do I need to act?

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0.34% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (4)

Affected Vendors

Debian Redhat Opensuse Virglrenderer Project

References (12)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
Third Party Advisory https://access.redhat.com/security/cve/cve-2019-18389
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1765577
Patch https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada6...
Patch https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?comm...
Mailing List https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
Third Party Advisory https://access.redhat.com/security/cve/cve-2019-18389
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1765577
Patch https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada6...
Patch https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?comm...
Mailing List https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
35
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 1/34 · Minimal
Exposure 10/34 · Low