Improper Privilege Management Affecting qemu-img package, versions <15:4.2.0-34.module+el8.3.0+9903+ca3e42fb.4


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (23rd percentile)

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  • Snyk ID SNYK-CENTOS8-QEMUIMG-2090561
  • published 26 Jul 2021
  • disclosed 21 Jan 2021

How to fix?

Upgrade Centos:8 qemu-img to version 15:4.2.0-34.module+el8.3.0+9903+ca3e42fb.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Centos. See How to fix? for Centos: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
Expand this section

NVD

8.2 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

Red Hat

7.5 high