In the Linux kernel, the following vulnerability has been resolved: dm vdo: don't refer to dedupe_context after releasing it Clear the dedupe_context pointer in a data_vio whenever ownership of the context is lost, so that vdo can't examine it accidentally.
https://git.kernel.org/stable/c/63ef073084c67878d7a92e15ad055172da3f05a3
https://git.kernel.org/stable/c/0808ebf2f80b962e75741a41ced372a7116f1e26