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Description

In the Linux kernel, the following vulnerability has been resolved: block: fix resource leak in blk_register_queue() error path When registering a queue fails after blk_mq_sysfs_register() is successful but the function later encounters an error, we need to clean up the blk_mq_sysfs resources. Add the missing blk_mq_sysfs_unregister() call in the error path to properly clean up these resources and prevent a memory leak.

PUBLISHED Reserved 2025-04-16 | Published 2025-05-20 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

320ae51feed5c2f13664aa05a76bec198967e04d (git) before 6af6d5feebf9423ab3b252831d1f52de31a8b5e0
affected

320ae51feed5c2f13664aa05a76bec198967e04d (git) before 549cbbd14bbec12469ceb279b79c763c8a24224e
affected

320ae51feed5c2f13664aa05a76bec198967e04d (git) before 41e43134ddda35949974be40520460a12dda3502
affected

320ae51feed5c2f13664aa05a76bec198967e04d (git) before 55a7bb2708f7c7c5b366d4e40916113168a3824c
affected

320ae51feed5c2f13664aa05a76bec198967e04d (git) before 40f2eb9b531475dd01b683fdaf61ca3cfd03a51e
affected

Default status
affected

3.13
affected

Any version before 3.13
unaffected

6.1.168 (semver)
unaffected

6.6.88 (semver)
unaffected

6.12.25 (semver)
unaffected

6.14.4 (semver)
unaffected

6.15 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/6af6d5feebf9423ab3b252831d1f52de31a8b5e0

git.kernel.org/...c/549cbbd14bbec12469ceb279b79c763c8a24224e

git.kernel.org/...c/41e43134ddda35949974be40520460a12dda3502

git.kernel.org/...c/55a7bb2708f7c7c5b366d4e40916113168a3824c

git.kernel.org/...c/40f2eb9b531475dd01b683fdaf61ca3cfd03a51e

cve.org (CVE-2025-37980)

nvd.nist.gov (CVE-2025-37980)

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