CVE-2023-52926 – Linux Kernel IORING Op Read Use-After-Free

The following table lists the changes that have been made to the
CVE-2023-52926 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 24, 2025

    Action Type Old Value New Value
    Added 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.

    Added Reference https://git.kernel.org/stable/c/6c27fc6a783c8a77c756dd5461b15e465020d075
    Added Reference https://git.kernel.org/stable/c/72060434a14caea20925e492310d6e680e3f9007
    Added Reference https://git.kernel.org/stable/c/a08d195b586a217d76b42062f88f375a3eedda4d
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