cve-2024-41080
Vulnerability from cvelistv5
Published
2024-07-29 15:04
Modified
2025-03-06 15:37
Severity ?
EPSS score ?
0.03% (0.06439)
Summary
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.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/73254a297c2dd094abec7c9efee32455ae875bdfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/950ac86cff338ab56e2eaf611f4936ee34893b63
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/97ed7ff58de66c544692b3c2b988f3f594348de0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b17397a0a5c56e111f61cb5b77d162664dc00de9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b571a367502c7ef94c688ef9c7f7d69a2ce3bccaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fdacd09f2ddf7a00787291f08ee48c0421e5b709
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/73254a297c2dd094abec7c9efee32455ae875bdfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b571a367502c7ef94c688ef9c7f7d69a2ce3bccaPatch
Impacted products
Vendor Product Version
Linux Linux Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e
Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e
Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e
Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e
Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e
Version: 2b188cc1bb857a9d4701ae59aa7768b5124e262e
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   Linux Linux Version: 5.1
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