CVE-2022-3566

Linux Kernel TCP tcp_setsockopt race condition

State: Published
Severity: 2.1 Low
Published: Oct 17, 2022
Updated: Jul 30, 2026
Reserved: Oct 17, 2022

Description

A vulnerability was identified in Linux Kernel up to 4.19.316/5.4.278/5.10.220/5.15.161. This impacts the function tcp_getsockopt/tcp_setsockopt of the component TCP Handler. Such manipulation leads to race condition. A high complexity level is associated with this attack. The exploitability is said to be difficult. The vulnerability was introduced in 2.6.12, commit 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ("Linux-2.6.12-rc2"). Upgrading to version 4.19.317, 5.4.279, 5.10.221, 5.15.162 and 6.1 will fix this issue. The name of the patch is fcd31dd8291b23d713245947ec2b2d99ef07aef2/3b32f265805a49071e2c4568a524398ba22bf93c/d529193eae979a7bf2255cd9fe68b7af7a1c91b3/5bb642cc3355ffd3c8bca0a8bd8e6e65bcc2091c/f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57. The affected component should be upgraded.

Scores

CVSS	Score	Vector	Source
4.0	2.1 Low	CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	4.6 Medium	CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
3.0	4.6 Medium	CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
2.0	4.0 Medium	AV:A/AC:H/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-362 Race Condition

Affected Products

Product	Versions
KernelLinux	4.19.316Affected 5.4.278Affected 5.10.220Affected 5.15.161Affected 4.19.317Not affected 5.4.279Not affected 5.10.221Not affected 5.15.162Not affected 6.1Not affected

References

VDB-211089 | Linux Kernel TCP tcp_setsockopt race conditionvdb-entrytechnical-description
VDB-211089 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2022-3566 | CVE Analysis and Reportthird-party-advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f49cd2f4d6170d27a2c61f1fecb03d8a70c91f57patch
https://www.kernel.org/product
https://vuldb.com/?id.211089

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