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Use After Free Affecting kernel-64k package, versions <0:5.14.0-427.13.1.el9_4

Severity

 Recommended
0.0
high
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNEL64K-8330673
  • published 4 Nov 2024
  • disclosed 30 Apr 2024
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Introduced: 30 Apr 2024

CVE-2023-3567 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 kernel-64k to version 0:5.14.0-427.13.1.el9_4 or higher.
This issue was patched in ALSA-2024:2394.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k package and not the kernel-64k package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.

References

CVSS Scores

version 3.1
Expand this section

NVD

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

SUSE

7.8 high
Expand this section

Red Hat

7.1 high