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Status published
Unknown
CVE-2022-49587
tcp: Fix a data-race around sysctl_tcp_notsent_lowat.
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_notsent_lowat. While reading sysctl_tcp_notsent_lowat, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/91e21df688f8a75255ca9c459da39ac96300113a
- https://git.kernel.org/stable/c/c1b85c5a34294f7444c13bf828e0e84b0a0eed85
- https://git.kernel.org/stable/c/0f75343584ee474303e17efe0610bdd170af1d13
- https://git.kernel.org/stable/c/e9362a993886613ef0284c2a4911c6017c97d803
- https://git.kernel.org/stable/c/fd6f1284e380c377932186042ff0b5c987fb2b92
- https://git.kernel.org/stable/c/80d4d0c461674eea87f0977e12a2ecd334b9b79c
- https://git.kernel.org/stable/c/62e56cfeb2ae4b53ae9ca24c80f54093250ce64a
- https://git.kernel.org/stable/c/55be873695ed8912eb77ff46d1d1cadf028bd0f3
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
c9bee3b7fdecb0c1d070c7b54113b3bdfb9a3d36, 3.12, 0, 4.9.325, 4.14.290, 4.19.254, 5.4.208, 5.10.134, 5.15.58, 5.18.15, 5.19
Timeline
Official Publish:
February 26th, 2025
Last Modified:
May 11th, 2026
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.