Improper Preservation of Permissions Affecting qemu-audio-pa package, versions <5.2.0-17.1


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-SLES153-QEMUAUDIOPA-2677291
  • published14 Apr 2022
  • disclosed10 Jun 2021

Introduced: 10 Jun 2021

CVE-2021-20263  (opens in a new tab)
CWE-281  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 qemu-audio-pa to version 5.2.0-17.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-audio-pa package and not the qemu-audio-pa package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

A flaw was found in the virtio-fs shared file system daemon (virtiofsd) of QEMU. The new 'xattrmap' option may cause the 'security.capability' xattr in the guest to not drop on file write, potentially leading to a modified, privileged executable in the guest. In rare circumstances, this flaw could be used by a malicious user to elevate their privileges within the guest.

CVSS Scores

version 3.1