CVE-2022-49637

MEDIUM

Linux Kernel 5.2-5.4.207 5.5-5.10.132 5.11-5.15.56 5.16-5.18.13 - Data Race in sysctl_fib_sync_mem

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix a data-race around sysctl_fib_sync_mem. While reading sysctl_fib_sync_mem, it can be changed concurrently. So, we need to add READ_ONCE() to avoid a data-race.

References (5)

Core 5

Scores

CVSS v3 4.7
EPSS 0.0016
EPSS Percentile 6.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/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-362
Status published
Products (18)
linux/Kernel 5.11.0 - 5.15.56linux
linux/Kernel 5.16.0 - 5.18.13linux
linux/Kernel 5.2.0 - 5.4.207linux
linux/Kernel 5.5.0 - 5.10.132linux
Linux/Linux < 5.2
Linux/Linux 5.10.132 - 5.10.*
Linux/Linux 5.15.56 - 5.15.*
Linux/Linux 5.18.13 - 5.18.*
Linux/Linux 5.19
Linux/Linux 5.2
... and 8 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026