CVE-2022-49579

MEDIUM

Linux Kernel 4.12-5.15.57, 5.16.0-5.18.14 - Data Race in IPv4 Multipath Hash Policy Handling

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix data-races around sysctl_fib_multipath_hash_policy. While reading sysctl_fib_multipath_hash_policy, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/21fb844bc1dc1461f5038d655aa1a14f39e13049

Patch

https://git.kernel.org/stable/c/918ee6592ab9a2ff5316d06cfd4aaef60ccabec6

Patch

https://git.kernel.org/stable/c/7998c12a08c97cc26660532c9f90a34bd7d8da5a

Scores

CVSS v3 4.7

EPSS 0.0018

EPSS Percentile 7.3%

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 (12)

linux/Kernel 4.12.0 - 5.15.58linux

linux/Kernel 5.16.0 - 5.18.15linux

Linux/Linux < 4.12

Linux/Linux 4.12

Linux/Linux 5.15.58 - 5.15.*

Linux/Linux 5.18.15 - 5.18.*

Linux/Linux 5.19

Linux/Linux bf4e0a3db97eb882368fd82980b3b1fa0b5b9778 - 21fb844bc1dc1461f5038d655aa1a14f39e13049

Linux/Linux bf4e0a3db97eb882368fd82980b3b1fa0b5b9778 - 7998c12a08c97cc26660532c9f90a34bd7d8da5a

Linux/Linux bf4e0a3db97eb882368fd82980b3b1fa0b5b9778 - 918ee6592ab9a2ff5316d06cfd4aaef60ccabec6

... and 2 more

Published Feb 26, 2025

Tracked Since Feb 18, 2026