Race Condition Affecting kernel-debug-core package, versions <0:4.18.0-513.9.1.el8_9


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ROCKY8-KERNELDEBUGCORE-6102321
  • published 7 Dec 2023
  • disclosed 25 Nov 2022

How to fix?

Upgrade Rocky-Linux:8 kernel-debug-core to version 0:4.18.0-513.9.1.el8_9 or higher.
This issue was patched in RLSA-2023:7549.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-core package and not the kernel-debug-core package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

An issue was discovered in the Linux kernel through 6.0.9. drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open race condition that leads to a use-after-free.

CVSS Scores

version 3.1
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NVD

7 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • 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

4.1 medium
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Red Hat

7 high