CVE-2021-3544

Description

Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory debian.org Vendor Advisory gentoo.org
Affected: n/a QEMU
Published at:
Updated at:

References

Link Tags
http://www.openwall.com/lists/oss-security/2021/05/31/1 third party advisory mailing list
https://bugzilla.redhat.com/show_bug.cgi?id=1958935 issue tracking
https://security.netapp.com/advisory/ntap-20210720-0008/ third party advisory
https://www.debian.org/security/2021/dsa-4980 third party advisory vendor advisory
https://security.gentoo.org/glsa/202208-27 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3544?
CVE-2021-3544 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3544?
To fix CVE-2021-3544, 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-2021-3544 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3544 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.
What software or system is affected by CVE-2021-3544?
CVE-2021-3544 affects n/a QEMU.
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