CVE-2022-49585

MEDIUM

Linux Kernel 4.12-5.10.134, 5.11-5.15.58, 5.16-5.18.15 - Data Race in TCP Fast Open Blackhole Timeout Handling

Title source: llm
STIX 2.1

Description

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

References (4)

Core 4

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 (15)
linux/Kernel 4.12.0 - 5.10.134linux
linux/Kernel 5.11.0 - 5.15.58linux
linux/Kernel 5.16.0 - 5.18.15linux
Linux/Linux < 4.12
Linux/Linux 4.12
Linux/Linux 5.10.134 - 5.10.*
Linux/Linux 5.15.58 - 5.15.*
Linux/Linux 5.18.15 - 5.18.*
Linux/Linux 5.19
Linux/Linux cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 - 021266ec640c7a4527e6cd4b7349a512b351de1d
... and 5 more
Published Feb 26, 2025
Tracked Since Feb 18, 2026