CVE-2025-37906

ADVISORY - nist

Summary

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.

EPSS Score⁠: 0.00106 (0.013)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-362⁠

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

ADVISORY - redhat

CWE-366⁠

Race Condition within a Thread

Impacted images

Advisories

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