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Vulnerability CVE-2024-35874
Published: 2024-05-19
| Description: |
In the Linux kernel, the following vulnerability has been resolved:
aio: Fix null ptr deref in aio_complete() wakeup
list_del_init_careful() needs to be the last access to the wait queue
entry - it effectively unlocks access.
Previously, finish_wait() would see the empty list head and skip taking
the lock, and then we'd return - but the completion path would still
attempt to do the wakeup after the task_struct pointer had been
overwritten. |
References: |
https://git.kernel.org/stable/c/9678bcc6234d83759fe091c197f5017a32b468da
https://git.kernel.org/stable/c/caeb4b0a11b3393e43f7fa8e0a5a18462acc66bd
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