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CVE-2024-44957

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CVE-2024-44957

Published: Sep 4, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Switch from mutex to spinlock for irqfds irqfd_wakeup() gets EPOLLHUP, when it is called by eventfd_release() by way of wake_up_poll(&ctx->wqh, EPOLLHUP), which gets called under spin_lock_irqsave(). We can't use a mutex here as it will lead to a deadlock. Fix it by switching over to a spin lock.

VendorProductVersions

Linux

Linux

affected
f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6 - < c2775ae4d9227729f8ca9ee2a068f62a00d5ea9c
affected
f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6 - < 49f2a5da6785b2dbde93e291cae037662440346e
affected
f8941e6c4c712948663ec5d7bbb546f1a0f4e3f6 - < 1c682593096a487fd9aebc079a307ff7a6d054a3

Linux

Linux

affected
6.6
unaffected
0 - < 6.6
unaffected
6.6.46 - <= 6.6.*
unaffected
6.10.5 - <= 6.10.*
unaffected
6.11 - <= *

References

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