In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctl_ip_fwd_use_pmtu. While reading sysctl_ip_fwd_use_pmtu, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.
https://git.kernel.org/stable/c/eb15262128b793e4b1d1c4514d3e6d19c3959764
https://git.kernel.org/stable/c/e364b5f6ffbfc457a997ad09a7baa16c19581edc
https://git.kernel.org/stable/c/b96ed5ccb09ae71103023ed13acefb194f609794
https://git.kernel.org/stable/c/93fbc06da1d819f3981a7bd7928c3641ea67b364
https://git.kernel.org/stable/c/7828309df0f89419a9349761a37c7d1b0da45697
https://git.kernel.org/stable/c/60c158dc7b1f0558f6cadd5b50d0386da0000d50