Use After Free Affecting kernel-tools package, versions <0:4.18.0-553.el8_10


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELTOOLS-5818493
  • published3 Aug 2023
  • disclosed15 Apr 2023

Introduced: 15 Apr 2023

CVE-2023-4133  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-tools to version 0:4.18.0-553.el8_10 or higher.

NVD Description

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

A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flower_stats_timer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition.

CVSS Scores

version 3.1