CVE-2022-49629

nexthop: Fix data-races around nexthop_compat_mode.

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:

nexthop: Fix data-races around nexthop_compat_mode.

While reading nexthop_compat_mode, 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	4f80116d3df3b23ee4b83ea8557629e1799bc230 to before a51040d4b120f3520df64fb0b9c63b31d69bea9bAffected 4f80116d3df3b23ee4b83ea8557629e1799bc230 to before 0d17723afea3ae8c9f245c9bbd2ba5945b77e812Affected 4f80116d3df3b23ee4b83ea8557629e1799bc230 to before ae3054f6fbccc90f14ecd6cf9b2c09a2401c64fdAffected 4f80116d3df3b23ee4b83ea8557629e1799bc230 to before bdf00bf24bef9be1ca641a6390fd5487873e0d2eAffected
LinuxLinux	5.8Affected before 5.8Not 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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