CVE-2022-49638

icmp: Fix data-races around sysctl.

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:

icmp: Fix data-races around sysctl.

While reading icmp sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.

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	4cdf507d54525842dfd9f6313fdafba039084046 to before 1740e5922fbb705637ae9fa5203db132fc45f9f6Affected 4cdf507d54525842dfd9f6313fdafba039084046 to before 53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6Affected 4cdf507d54525842dfd9f6313fdafba039084046 to before edeec63b13c252193d626c2a48d7a2f0e7016dc2Affected 4cdf507d54525842dfd9f6313fdafba039084046 to before 0cba7ca667ceb06934746ddd9833a25847bde81dAffected 4cdf507d54525842dfd9f6313fdafba039084046 to before e088ceb73c24ab4774da391d54a6426f4bfaefceAffected 4cdf507d54525842dfd9f6313fdafba039084046 to before e2828e8c605853f71267825c9415437c0a93e4f2Affected 4cdf507d54525842dfd9f6313fdafba039084046 to before 798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06Affected 4cdf507d54525842dfd9f6313fdafba039084046 to before 48d7ee321ea5182c6a70782aa186422a70e67e22Affected
LinuxLinux	3.18Affected before 3.18Not affected 4.9.324 through 4.9.Not affected 4.14.289 through 4.14.Not affected 4.19.253 through 4.19.Not affected 5.4.207 through 5.4.Not affected 5.10.132 through 5.10.Not affected 5.15.56 through 5.15.Not affected 5.18.13 through 5.18.*Not affected 5.19 and laterNot affected

Product

Versions

LinuxLinux

4cdf507d54525842dfd9f6313fdafba039084046 to before 1740e5922fbb705637ae9fa5203db132fc45f9f6Affected
4cdf507d54525842dfd9f6313fdafba039084046 to before 53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6Affected
4cdf507d54525842dfd9f6313fdafba039084046 to before edeec63b13c252193d626c2a48d7a2f0e7016dc2Affected
4cdf507d54525842dfd9f6313fdafba039084046 to before 0cba7ca667ceb06934746ddd9833a25847bde81dAffected
4cdf507d54525842dfd9f6313fdafba039084046 to before e088ceb73c24ab4774da391d54a6426f4bfaefceAffected
4cdf507d54525842dfd9f6313fdafba039084046 to before e2828e8c605853f71267825c9415437c0a93e4f2Affected
4cdf507d54525842dfd9f6313fdafba039084046 to before 798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06Affected
4cdf507d54525842dfd9f6313fdafba039084046 to before 48d7ee321ea5182c6a70782aa186422a70e67e22Affected

LinuxLinux

3.18Affected
before 3.18Not affected
4.9.324 through 4.9.*Not affected
4.14.289 through 4.14.*Not affected
4.19.253 through 4.19.*Not affected
5.4.207 through 5.4.*Not affected
5.10.132 through 5.10.*Not affected
5.15.56 through 5.15.*Not affected
5.18.13 through 5.18.*Not affected
5.19 and laterNot affected

References

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