CVE-2025-37906High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: ublk: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd ublk_cancel_cmd() calls io_uring_cmd_done() to complete uring_cmd, but we may have scheduled t…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 21.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
0.1% → 0.2%
In the Linux kernel, the following vulnerability has been resolved:
ublk: fix race between io_uring_cmd_complete_in_task and ublk_cancel_cmd
ublk_cancel_cmd() calls io_uring_cmd_done() to complete uring_cmd, but we may have scheduled task work via io_uring_cmd_complete_in_task() for dispatching request, then kernel crash can be triggered.
Fix it by not trying to canceling the command if ublk block request is started.
Linux >= 216c8f5ef0f209a3797292c487bdaa6991ab4b92 < 346b7d74c612234dae0878892682b9722e7c04c8Linux >= 216c8f5ef0f209a3797292c487bdaa6991ab4b92 < fb2eb9ddf556f93fef45201e1f9d2b8674bcc975Linux >= 216c8f5ef0f209a3797292c487bdaa6991ab4b92 < f40139fde5278d81af3227444fd6e76a76b9506dLinux 6.7Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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