CVE-2019-18391

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 via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory redhat.com Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08 third party advisory
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971 third party advisory patch
https://bugzilla.redhat.com/show_bug.cgi?id=1765589 issue tracking third party advisory patch
https://access.redhat.com/security/cve/cve-2019-18391 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html mailing list third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2019-18391?
CVE-2019-18391 has been scored as a medium severity vulnerability.
How to fix CVE-2019-18391?
To fix CVE-2019-18391, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-18391 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-18391 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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