CVE-2022-49638 Information

Description

In the Linux kernel the following vulnerability has been resolved:

icmp: Fix data-races around sysctl.

While reading icmp 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/0cba7ca667ceb06934746ddd9833a25847bde81d https://git.kernel.org/stable/c/1740e5922fbb705637ae9fa5203db132fc45f9f6 https://git.kernel.org/stable/c/48d7ee321ea5182c6a70782aa186422a70e67e22 https://git.kernel.org/stable/c/53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6 https://git.kernel.org/stable/c/798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06 https://git.kernel.org/stable/c/e088ceb73c24ab4774da391d54a6426f4bfaefce https://git.kernel.org/stable/c/e2828e8c605853f71267825c9415437c0a93e4f2 https://git.kernel.org/stable/c/edeec63b13c252193d626c2a48d7a2f0e7016dc2