Use After Free Affecting kernel-core package, versions <0:4.18.0-372.100.1.el8_6


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (61st percentile)

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  • Snyk IDSNYK-RHEL8-KERNELCORE-6650151
  • published18 Apr 2024
  • disclosed17 Oct 2022

Introduced: 17 Oct 2022

CVE-2022-3640  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-core to version 0:4.18.0-372.100.1.el8_6 or higher.
This issue was patched in RHSA-2024:1877.

NVD Description

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

A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2cap_conn_del of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211944.

CVSS Scores

version 3.1