CVE-2026-46298 is a vulnerability in Linux Kernel
Published on June 8, 2026
pseries/papr-hvpipe: Fix race with interrupt handler
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.
Products Associated with CVE-2026-46298
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Affected Versions
Linux:- Version 814ef095f12c9fa142043ee689500f3a41bb6dab and below 342c966f81cfc3cb6c297e80b37a9f3a5d637d2c is affected.
- Version 814ef095f12c9fa142043ee689500f3a41bb6dab and below 7a4f0846ee6cc8cf44ae0046ed42e3259d1dd45b is affected.
- Version 6.18 is affected.
- Before 6.18 is unaffected.
- Version 7.0.7, <= 7.0.* is unaffected.
- Version 7.1-rc3, <= * is unaffected.