CVE-2025-21807

In the Linux kernel, the following vulnerability has been resolved: block: fix queue freeze vs limits lock order in sysfs store methods queueattrstore always freezes a device queue before calling the attribute store operation. For attributes that control queue limits, the store operation will als...

CVE-2025-21807 block: fix queue freeze vs limits lock order in sysfs store methods

In the Linux kernel, the following vulnerability has been resolved: block: fix queue freeze vs limits lock order in sysfs store methods queueattrstore always freezes a device queue before calling the attribute store operation. For attributes that control queue limits, the store operation will als...

CVE-2025-21807

CVE-2025-21807 (Linux kernel) affects the block subsystem. queue_attr_store() previously freezes the device queue before invoking the attribute store operation. For attributes controlling queue limits, the store could lock queue limits via queue_limits_start_update(), creating an ABBA deadlock if...