Use After Free Affecting xorg-server package, versions <21.1.5-r0


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    10.43% (96th percentile)

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  • Snyk ID SNYK-ALPINE320-XORGSERVER-7015422
  • published 23 May 2024
  • disclosed 14 Dec 2022

How to fix?

Upgrade Alpine:3.20 xorg-server to version 21.1.5-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream xorg-server package and not the xorg-server package as distributed by Alpine. See How to fix? for Alpine:3.20 relevant fixed versions and status.

A vulnerability was found in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X se

CVSS Scores

version 3.1
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NVD

Recommended
8.8 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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SUSE

6.1 medium
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Red Hat

8.8 high