CVE-2025-37980

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux320ae51feed5c2f13664aa05a76bec198967e04d < 6af6d5feebf9423ab3b252831d1f52de31a8b5e0affected
LinuxLinux320ae51feed5c2f13664aa05a76bec198967e04d < 549cbbd14bbec12469ceb279b79c763c8a24224eaffected
LinuxLinux320ae51feed5c2f13664aa05a76bec198967e04d < 41e43134ddda35949974be40520460a12dda3502affected
LinuxLinux320ae51feed5c2f13664aa05a76bec198967e04d < 55a7bb2708f7c7c5b366d4e40916113168a3824caffected
LinuxLinux320ae51feed5c2f13664aa05a76bec198967e04d < 40f2eb9b531475dd01b683fdaf61ca3cfd03a51eaffected
LinuxLinux3.13affected
LinuxLinux0 < 3.13unaffected
LinuxLinux6.1.168 <= 6.1.*unaffected
LinuxLinux6.6.88 <= 6.6.*unaffected
LinuxLinux6.12.25 <= 6.12.*unaffected
LinuxLinux6.14.4 <= 6.14.*unaffected
LinuxLinux6.15 <= *unaffected

Weaknesses

References