CVE-2022-49641 sysctl: Fix data races in proc_douintvec().

In the Linux kernel, the following vulnerability has been resolved: sysctl: Fix data races in procdouintvec. 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 change...

CVE-2022-49641

CVE-2022-49641 concerns the Linux kernel sysctl path, where data races in proc_douintvec() could occur due to concurrent access. The fix switches internal access to READ_ONCE() and WRITE_ONCE(), reducing load/store tearing in readers/writers. The patch notes indicate proc_douintvec() is currently...