Use After Free Affecting kernel-default-man package, versions <4.12.14-150000.150.109.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.16% (55th percentile)

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  • Snyk IDSNYK-SLES150-KERNELDEFAULTMAN-3177142
  • published20 Dec 2022
  • disclosed19 Dec 2022

Introduced: 19 Dec 2022

CVE-2022-42896  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-default-man to version 4.12.14-150000.150.109.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-man package and not the kernel-default-man package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.

We recommend upgrading past commit  https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url

CVSS Scores

version 3.1