CVE-2022-49641
In the Linux kernel, the following vulnerability has been resolved: sysctl: Fix data races in proc_douintvec(). A sysctl variable is accessed concurrently, and there is always a chance of data-race. So, all readers and writers need some basic protection to avoid load/store-tearing. This patch changes proc_douintvec() to use READ_ONCE() and WRITE_ONCE() internally to fix data-races on the sysctl side. For now, proc_douintvec() itself is tolerant to a data-race, but we still need to add annotations on the other subsystem's side.
- Score
- CVSS 3.1 4.7 Medium
- Status
- Modified - 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- Published
- 2025-02-26
- Last modified
- 2026-05-23
- Weaknesses
- CWE-362
Affected products
References
- https://git.kernel.org/stable/c/4762b532ec9539755aab61445d5da6e1926ccb99
- https://git.kernel.org/stable/c/630c76850d554d7140232e71b5d1663e88cffb54
- https://git.kernel.org/stable/c/d335db59f7fb3353f56e52371f1ee796ae9c8f09
- https://git.kernel.org/stable/c/d5d54714e329f646bd7af4994fc427d88ee68936
