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Description

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.

PUBLISHED Reserved 2025-04-16 | Published 2025-05-20 | Updated 2025-05-26 | Assigner Linux

Product status

Default status
unaffected

216c8f5ef0f209a3797292c487bdaa6991ab4b92 (git) before fb2eb9ddf556f93fef45201e1f9d2b8674bcc975
affected

216c8f5ef0f209a3797292c487bdaa6991ab4b92 (git) before f40139fde5278d81af3227444fd6e76a76b9506d
affected

Default status
affected

6.7
affected

Any version before 6.7
unaffected

6.14.6 (semver)
unaffected

6.15 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/fb2eb9ddf556f93fef45201e1f9d2b8674bcc975

git.kernel.org/...c/f40139fde5278d81af3227444fd6e76a76b9506d

cve.org (CVE-2025-37906)

nvd.nist.gov (CVE-2025-37906)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.