Improper Privilege Management Affecting qemu package, versions <1:5.2+dfsg-6ubuntu2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-UBUNTU2204-QEMU-2785784
  • published2 Feb 2021
  • disclosed28 Jan 2021

Introduced: 28 Jan 2021

CVE-2020-35517  (opens in a new tab)
CWE-269  (opens in a new tab)
CWE-284  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 qemu to version 1:5.2+dfsg-6ubuntu2 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.

A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.

CVSS Scores

version 3.1