CVE-2026-46298

Published: Giu 08, 2026 Last Modified: Giu 08, 2026

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In the Linux kernel, the following vulnerability has been resolved:

pseries/papr-hvpipe: Fix race with interrupt handler

While executing ->ioctl handler or ->release handler, if an interrupt
fires on the same cpu, then we can enter into a deadlock.

This patch fixes both these handlers to take spin_lock_irq{save|restore}
versions of the lock to prevent this deadlock.

https://git.kernel.org/stable/c/342c966f81cfc3cb6c297e80b37a9f3a5d637d2c

https://git.kernel.org/stable/c/7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b