Memory Leak Affecting qemu package, versions <1:6.2+dfsg-2ubuntu5


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

Exploit Maturity
Not Defined
EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-UBUNTU2204-QEMU-2776657
  • published13 May 2021
  • disclosed2 Jun 2021

Introduced: 13 May 2021

CVE-2021-3544  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 qemu to version 1:6.2+dfsg-2ubuntu5 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

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.

CVSS Scores

version 3.1