Threats tagged 'ghsa-v47h-9mpw-4682'

A vulnerability in the Linux kernel's SMB client implementation (cifs_queue_oplock_break) causes a reference count leak when multiple oplock breaks occur while a work item is queued. This leak can lead to kernel bugs and failure of unmount operations on the CIFS filesystem. The issue arises because the reference count is incremented before queueing the work unconditionally, but if the work is not queued successfully, the reference is never decremented. The fix involves incrementing the reference count only after successful queueing of the work item.