CVE-2022-50395

MEDIUM

Linux Kernel 4.12-6.1.1 Use-After-Free in Keyring Allocation

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: integrity: Fix memory leakage in keyring allocation error path Key restriction is allocated in integrity_init_keyring(). However, if keyring allocation failed, it is not freed, causing memory leaks.

Scores

CVSS v3 5.5
EPSS 0.0015
EPSS Percentile 4.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (20)
linux/Kernel 4.12.0 - 5.4.229linux
linux/Kernel 5.11.0 - 5.15.86linux
linux/Kernel 5.16.0 - 6.0.16linux
linux/Kernel 5.5.0 - 5.10.163linux
linux/Kernel 6.1.0 - 6.1.2linux
Linux/Linux < 4.12
Linux/Linux 2b6aa412ff23a02ac777ad307249c60a839cfd25 - 29d6c69ba4b96a1de0376e44e5f8b38b13ec8803
Linux/Linux 2b6aa412ff23a02ac777ad307249c60a839cfd25 - 39419ef7af0916cc3620ecf1ed42d29659109bf3
Linux/Linux 2b6aa412ff23a02ac777ad307249c60a839cfd25 - 3bd737289c26be3cee4b9afaf61ef784a2af9d6e
Linux/Linux 2b6aa412ff23a02ac777ad307249c60a839cfd25 - 57e49ad12f8f5df0c48e1710c54b147a05a10c32
... and 10 more
Published Sep 18, 2025
Tracked Since Feb 18, 2026