Use of Uninitialized Resource Affecting qemu package, versions <6.1.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-ALPINE321-QEMU-8488804
  • published6 Dec 2024
  • disclosed2 Jun 2021

Introduced: 2 Jun 2021

CVE-2021-3545  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 qemu to version 6.1.0-r0 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 Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.

CVSS Scores

version 3.1