Access of Uninitialized Pointer Affecting kernel-tools-devel package, versions <0:4.14.299-223.520.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELTOOLSDEVEL-3243937
  • published21 Jan 2023
  • disclosed23 Nov 2022

Introduced: 23 Nov 2022

CVE-2022-42895  (opens in a new tab)
CWE-824  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade Amazon-Linux:2 kernel-tools-devel to version 0:4.14.299-223.520.amzn2 or higher.
This issue was patched in ALAS2-2022-1888.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-devel package and not the kernel-tools-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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