CVE-2022-49595

tcp: Fix a data-race around sysctl_tcp_probe_threshold.

State: Published
Severity: 4.7 Medium
Published: Feb 26, 2025
Updated: May 11, 2026
Reserved: Feb 26, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

tcp: Fix a data-race around sysctl_tcp_probe_threshold.

While reading sysctl_tcp_probe_threshold, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Affected Products

Product	Versions
LinuxLinux	6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 9b5dc7ad6da1373d3c60d4b869d688f996e5d219Affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 44768749980d53bc01980d9c060f736808d11af0Affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 96900fa61777402eb5056269d8000aace33a8b6cAffected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before b04817c94fbd285a967d9b830b274fe9998c9c0bAffected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before d452ce36f2d4c402fa3f5275c9677f80166e7fc6Affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before f524c3e7f6cdad66b3b6a912cef47b656f8b0de3Affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before fa5fb2cf9393db898772db8cb897ed5fd265eb78Affected 6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 92c0aa4175474483d6cf373314343d4e624e882aAffected
LinuxLinux	4.1Affected before 4.1Not affected 4.9.325 through 4.9.Not affected 4.14.290 through 4.14.Not affected 4.19.254 through 4.19.Not affected 5.4.208 through 5.4.Not affected 5.10.134 through 5.10.Not affected 5.15.58 through 5.15.Not affected 5.18.15 through 5.18.*Not affected 5.19 and laterNot affected

Product

Versions

LinuxLinux

6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 9b5dc7ad6da1373d3c60d4b869d688f996e5d219Affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 44768749980d53bc01980d9c060f736808d11af0Affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 96900fa61777402eb5056269d8000aace33a8b6cAffected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before b04817c94fbd285a967d9b830b274fe9998c9c0bAffected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before d452ce36f2d4c402fa3f5275c9677f80166e7fc6Affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before f524c3e7f6cdad66b3b6a912cef47b656f8b0de3Affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before fa5fb2cf9393db898772db8cb897ed5fd265eb78Affected
6b58e0a5f32dedb609438bb9c9c82aa6e23381f2 to before 92c0aa4175474483d6cf373314343d4e624e882aAffected

LinuxLinux

4.1Affected
before 4.1Not affected
4.9.325 through 4.9.*Not affected
4.14.290 through 4.14.*Not affected
4.19.254 through 4.19.*Not affected
5.4.208 through 5.4.*Not affected
5.10.134 through 5.10.*Not affected
5.15.58 through 5.15.*Not affected
5.18.15 through 5.18.*Not affected
5.19 and laterNot affected

References

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