CVE-2022-33743 Affecting xen package, versions <4.15.4-r0


0.0
high

Snyk CVSS

    Attack Complexity Low
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.04% (6th percentile)
Expand this section
NVD
7.8 high
Expand this section
SUSE
7.8 high
Expand this section
Red Hat
7.8 high

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-ALPINE314-XEN-3136175
  • published 20 Nov 2022
  • disclosed 5 Jul 2022

How to fix?

Upgrade Alpine:3.14 xen to version 4.15.4-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Alpine. See How to fix? for Alpine:3.14 relevant fixed versions and status.

network backend may cause Linux netfront to use freed SKBs While adding logic to support XDP (eXpress Data Path), a code label was moved in a way allowing for SKBs having references (pointers) retained for further processing to nevertheless be freed.