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CVE-2022-49586

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CVE-2022-49586

Published: Feb 26, 2025

Modified: May 11, 2026

PUBLISHED

Description

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

VendorProductVersions

Linux

Linux

affected
2100c8d2d9db23c0a09901a782bb4e3b21bee298 - < 03da610696a32578fc4f986479341ce9d430df08
affected
2100c8d2d9db23c0a09901a782bb4e3b21bee298 - < 25d53d858a6c0b89a6e69e376c2a57c4f4c2c8cc
affected
2100c8d2d9db23c0a09901a782bb4e3b21bee298 - < 22938534c611136f35e2ca545bb668073ca5ef49
affected
2100c8d2d9db23c0a09901a782bb4e3b21bee298 - < 539d9ab79eba3974b479cad61a8688c41fe62e12
affected
2100c8d2d9db23c0a09901a782bb4e3b21bee298 - < 448ab998947996a0a451f8229f19087964cf2670

+1 more versions

Linux

Linux

affected
3.6
unaffected
0 - < 3.6
unaffected
4.19.254 - <= 4.19.*
unaffected
5.4.208 - <= 5.4.*
unaffected
5.10.134 - <= 5.10.*

+3 more versions

References

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