Deadlock Affecting python-perf package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-CENTOS7-PYTHONPERF-7630688
  • 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)
First added by Snyk

How to fix?

There is no fixed version for Centos:7 python-perf.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-perf package and not the python-perf package as distributed by Centos. See How to fix? for Centos:7 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