Deadlock Affecting kernel-debug-devel package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-CENTOS6-KERNELDEBUGDEVEL-7633038
  • published5 Aug 2024
  • disclosed30 Jul 2024

Introduced: 30 Jul 2024

CVE-2024-42135  (opens in a new tab)
CWE-833  (opens in a new tab)

How to fix?

There is no fixed version for Centos:6 kernel-debug-devel.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

vhost_task: Handle SIGKILL by flushing work and exiting

Instead of lingering until the device is closed, this has us handle SIGKILL by:

  1. marking the worker as killed so we no longer try to use it with new virtqueues and new flush operations.
  2. setting the virtqueue to worker mapping so no new works are queued.
  3. running all the exiting works.

CVSS Scores

version 3.1