CVE-2019-18391

low-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 via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
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-2019-18391
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1765589
Patch https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a712...
Third Party Advisory 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-2019-18391
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1765589
Patch https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a712...
Third Party Advisory https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?comm...
Mailing List https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
28
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 10/34 · Low