Out-of-bounds Read Affecting qemu package, versions <1:6.2+dfsg-1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Threat Intelligence
EPSS
0.05% (16th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-QEMU-1920707
- published 12 Nov 2021
- disclosed 18 Feb 2022
Introduced: 12 Nov 2021
CVE-2021-3947 Open this link in a new tabHow to fix?
Upgrade Debian:unstable 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:unstable 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.