CVE-2023-52926

Description

In the Linux kernel, the following vulnerability has been resolved: IORING_OP_READ did not correctly consume the provided buffer list when read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return). This can lead to a potential use-after-free when the completion via io_rw_done runs at separate context.

References

https://git.kernel.org/stable/c/a08d195b586a217d76b42062f88f375a3eedda4d

https://git.kernel.org/stable/c/72060434a14caea20925e492310d6e680e3f9007

https://git.kernel.org/stable/c/6c27fc6a783c8a77c756dd5461b15e465020d075

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