CVE-2022-49639 Information

Description

In the Linux kernel the following vulnerability has been resolved:

cipso: Fix data-races around sysctl.

While reading cipso sysctl variables they can be changed concurrently. So we need to add READ_ONCE() to avoid data-races.

Reference

https://git.kernel.org/stable/c/07b0caf8aeb9b82e6ecc6c292a3e47c7fcdb1148 https://git.kernel.org/stable/c/0e41a0f73ccb9be112a80bde3804a771633caaef https://git.kernel.org/stable/c/2764f82bbc158d106693ae3ced3675cf4b963b35 https://git.kernel.org/stable/c/59e26906b89cc35bb54476498772b45cbc32323f https://git.kernel.org/stable/c/c321e99d2725d11f7e6a4ebd9ce752259f0bae81 https://git.kernel.org/stable/c/ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698 https://git.kernel.org/stable/c/dd44f04b9214adb68ef5684ae87a81ba03632250 https://git.kernel.org/stable/c/fe2a35fa2c4f9c8ce5ef970eb927031387f9446a