CVE-2022-49576

ipv4: Fix data-races around sysctl_fib_multipath_hash_fields.

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:

ipv4: Fix data-races around sysctl_fib_multipath_hash_fields.

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

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	ce5c9c20d364f156c885efed8c71fca2945db00f to before 36f5b86f309b3b11295d087cd7433f1c897caf94Affected ce5c9c20d364f156c885efed8c71fca2945db00f to before 548d6678c4a3d43667e59686665f8674b82440a3Affected ce5c9c20d364f156c885efed8c71fca2945db00f to before 8895a9c2ac76fb9d3922fed4fe092c8ec5e5ccccAffected
LinuxLinux	5.14Affected before 5.14Not 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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