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Use After Free Affecting tigervnc-selinux package, versions <0:1.12.0-15.el8_8

Severity

 Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    10.43% (96th percentile)

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  • Snyk ID SNYK-ALMALINUX8-TIGERVNCSELINUX-5615376
  • published 28 May 2023
  • disclosed 9 May 2023
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Introduced: 9 May 2023

CVE-2022-46342 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:8 tigervnc-selinux to version 0:1.12.0-15.el8_8 or higher.
This issue was patched in ALSA-2023:2830.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tigervnc-selinux package and not the tigervnc-selinux package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 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

References

CVSS Scores

version 3.1
Expand this section

NVD

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
Expand this section

SUSE

6.1 medium
Expand this section

Red Hat

8.8 high