Use After Free Affecting kernel-rt-modules-extra package, versions <0:4.18.0-193.128.1.rt13.179.el8_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTMODULESEXTRA-6430529
  • published13 Mar 2024
  • disclosed14 Aug 2023

Introduced: 14 Aug 2023

CVE-2023-40283  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-modules-extra to version 0:4.18.0-193.128.1.rt13.179.el8_2 or higher.
This issue was patched in RHSA-2024:1269.

NVD Description

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

An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.

CVSS Scores

version 3.1