CVE-2022-49630

MEDIUM

Linux Kernel - Data Race in sysctl_tcp_ecn_fallback Access

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_ecn_fallback. While reading sysctl_tcp_ecn_fallback, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11

Patch

https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61

Patch

https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658

Scores

CVSS v3 4.7

EPSS 0.0016

EPSS Percentile 5.8%

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 4.2.0 - 5.15.56linux

linux/Kernel 5.16.0 - 5.18.13linux

Linux/Linux < 4.2

Linux/Linux 4.2

Linux/Linux 492135557dc090a1abb2cfbe1a412757e3ed68ab - 12b8d9ca7e678abc48195294494f1815b555d658

Linux/Linux 492135557dc090a1abb2cfbe1a412757e3ed68ab - 1ec3d6c2626ee6e1b36b7bd006873a271406ba61

Linux/Linux 492135557dc090a1abb2cfbe1a412757e3ed68ab - 8bcf7339f2cf70ea4461df6ea045d1aadfabfa11

Linux/Linux 5.15.56 - 5.15.*

Linux/Linux 5.18.13 - 5.18.*

Linux/Linux 5.19

... and 2 more

Published Feb 26, 2025

Tracked Since Feb 18, 2026