CVE-2022-50402

MEDIUM

Linux Kernel - NULL Pointer Dereference in md_bitmap_get_counter()

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of md_bitmap_get_counter() Check the return value of md_bitmap_get_counter() in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include other dereference

References (7)

Core 7

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-476
Status published
Products (23)
linux/Kernel 3.5.0 - 4.19.270linux
linux/Kernel 4.20.0 - 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 < 3.5
Linux/Linux 3.5
Linux/Linux 4.19.270 - 4.19.*
Linux/Linux 5.10.163 - 5.10.*
... and 13 more
Published Sep 18, 2025
Tracked Since Feb 18, 2026