CVE-2024-26899 block: fix deadlock between bd_link_disk_holder and partition scan

In the Linux kernel, the following vulnerability has been resolved: block: fix deadlock between bdlinkdiskholder and partition scan 'openmutex' of gendisk is used to protect open/close block devices. But in bdlinkdiskholder, it is used to protect the creation of symlink between holding disk and...

CVE-2024-26899

CVE-2024-26899 — Linux kernel deadlock fix details : Affected component is the block layer in the Linux kernel. The issue arises when bd_link_disk_holder() uses the global open_mutex to guard the creation of a symlink between a holding disk and a slave bdev during driver initialization/modificati...