CVE-2024-50277 Information

Description

In the Linux kernel the following vulnerability has been resolved:

dm: fix a crash if blk_alloc_disk fails

If blk_alloc_disk fails the variable md->disk is set to an error value. cleanup_mapped_device will see that md->disk is non-NULL and it will attempt to access it causing a crash on this statement \md->disk->private_data = NULL;.

Reference

https://git.kernel.org/stable/c/d7aec2a06730b774a97caaf48cbbc58330a85829 https://git.kernel.org/stable/c/fed13a5478680614ba97fc87e71f16e2e197912e