Out-of-bounds Read Affecting qemu package, versions <1:6.2+dfsg-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-DEBIAN13-QEMU-5694298
  • published12 Nov 2021
  • disclosed18 Feb 2022

Introduced: 12 Nov 2021

CVE-2021-3947  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:13 qemu to version 1:6.2+dfsg-1 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 Debian. See How to fix? for Debian:13 relevant fixed versions and status.

A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.

CVSS Scores

version 3.1