CVE-2021-3544 — Vulnetix

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CVE-2021-3544 PUBLISHED

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.

EPSS 0.03% · 9.3th percentile

Risk Scores

EPSS Score

0.03%

9.3th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:20.04:LTS	qemu	0, 1:4.0+dfsg-0ubuntu9, 1:4.0+dfsg-0ubuntu10
Ubuntu:22.04:LTS	qemu	0, 1:6.0+dfsg-2expubuntu1, 1:6.0+dfsg-2expubuntu2

Timeline

May 10, 2021 CVE Published
Jun 3, 2021 EPSS Score
Aug 4, 2021 EPSS Score
Oct 4, 2021 EPSS Score
Oct 11, 2021 EPSS Score
Dec 3, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 2, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Apr 3, 2022 EPSS Score
Jun 2, 2022 EPSS Score
Aug 3, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2021-3544 third-party-advisory
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01155.html third-party-advisory
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01151.html third-party-advisory
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01157.html third-party-advisory
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01152.html third-party-advisory
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01156.html third-party-advisory
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01158.html third-party-advisory
https://ubuntu.com/security/notices/USN-5010-1 vendor-advisory
https://ubuntu.com/security/notices/USN-5307-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2021-3544 third-party-advisory

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