CVE-2022-49637 Information

Description

In the Linux kernel the following vulnerability has been resolved:

ipv4: Fix a data-race around sysctl_fib_sync_mem.

While reading sysctl_fib_sync_mem it can be changed concurrently. So we need to add READ_ONCE() to avoid a data-race.

Reference

https://git.kernel.org/stable/c/190cd4ff128373271e065afb20f1d2247b3f10c3 https://git.kernel.org/stable/c/418b191d5f223a8cb6cab09eae1f72c04ba6adf2 https://git.kernel.org/stable/c/73318c4b7dbd0e781aaababff17376b2894745c0 https://git.kernel.org/stable/c/7c1acd98fb221dc0d847451b9ab86319f8b9916c https://git.kernel.org/stable/c/9be8aac91960ea32fd0e874758c9afee665c57d2