Access of Uninitialized Pointer Affecting kernel-rt-modules package, versions <0:4.18.0-513.5.1.rt7.307.el8_9


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTMODULES-3147491
  • published24 Nov 2022
  • disclosed3 Nov 2022

Introduced: 3 Nov 2022

CVE-2022-42895  (opens in a new tab)
CWE-824  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-modules to version 0:4.18.0-513.5.1.rt7.307.el8_9 or higher.

NVD Description

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

There is an infoleak vulnerability in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_parse_conf_req function which can be used to leak kernel pointers remotely. We recommend upgrading past commit  https://github.com/torvalds/linux/commit/b1a2cd50c0357f243b7435a732b4e62ba3157a2e https://www.google.com/url

CVSS Scores

version 3.1