Use After Free Affecting bpftool package, versions <0:5.14.0-162.6.1.el9_1


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.24% (16th percentile)

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  • Snyk IDSNYK-CENTOS9-BPFTOOL-3027504
  • published20 Sept 2022
  • disclosed22 Feb 2022

Introduced: 22 Feb 2022

CVE-2022-3239  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:9 bpftool to version 0:5.14.0-162.6.1.el9_1 or higher.

NVD Description

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

A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

CVSS Base Scores

version 3.1