Detections
Analytics
CVE-2021-47123
high
Description
In the Linux kernel, the following vulnerability has been resolved: io_uring: fix ltout double free on completion race Always remove linked timeout on io_link_timeout_fn() from the master request link list, otherwise we may get use-after-free when first io_link_timeout_fn() puts linked timeout in the fail path, and then will be found and put on master's free.
References
https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba
https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d