Improper Privilege Management Affecting virt:rhel/sgabios package, versions <1:0.20170427git-3.module+el8.1.0+4066+0f1aadab


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-4000659
  • published26 Jul 2021
  • disclosed21 Jan 2021

Introduced: 21 Jan 2021

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

How to fix?

Upgrade RHEL:8 virt:rhel/sgabios to version 1:0.20170427git-3.module+el8.1.0+4066+0f1aadab or higher.
This issue was patched in RHSA-2021:0711.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/sgabios package and not the virt:rhel/sgabios package as distributed by RHEL. See How to fix? for RHEL:8 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