CVE-2024-41080: fallo en Linux
io_uring: fix possible deadlock in io_register_iowq_max_workers()
Publicada el · Actualizada el
3Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackepss 0.2%
probabilidad de explotación
0.2%top 90% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved:
io_uring: fix possible deadlock in io_register_iowq_max_workers()
The io_register_iowq_max_workers() function calls io_put_sq_data(),
which acquires the sqd->lock without releasing the uring_lock.
Similar to the commit 009ad9f0c6ee ("io_uring: drop ctx->uring_lock
before acquiring sqd->lock"), this can lead to a potential deadlock
situation.
To resolve this issue, the uring_lock is released before calling
io_put_sq_data(), and then it is re-acquired after the function call.
This change ensures that the locks are acquired in the correct
order, preventing the possibility of a deadlock.
Productos afectados
Linux · LinuxCVEs relacionadas — Linux
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Referencias
https://git.kernel.org/stable/c/73254a297c2dd094abec7c9efee32455ae875bdfhttps://git.kernel.org/stable/c/950ac86cff338ab56e2eaf611f4936ee34893b63https://git.kernel.org/stable/c/97ed7ff58de66c544692b3c2b988f3f594348de0https://git.kernel.org/stable/c/b17397a0a5c56e111f61cb5b77d162664dc00de9https://git.kernel.org/stable/c/b571a367502c7ef94c688ef9c7f7d69a2ce3bccahttps://git.kernel.org/stable/c/fdacd09f2ddf7a00787291f08ee48c0421e5b709https://lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlhttps://lists.debian.org/debian-lts-announce/2025/03/msg00002.html