CVE-2023-53130 Information

Description

In the Linux kernel the following vulnerability has been resolved:

block: fix wrong mode for blkdev_put() from disk_scan_partitions()

If disk_scan_partitions() is called with ‘FMODE_EXCL’ blkdev_get_by_dev() will be called without ‘FMODE_EXCL’ however follow blkdev_put() is still called with ‘FMODE_EXCL’ which will cause ‘bd_holders’ counter to leak.

Fix the problem by using the right mode for blkdev_put().

Reference

https://git.kernel.org/stable/c/428913bce1e67ccb4dae317fd0332545bf8c9233 https://git.kernel.org/stable/c/d81c6c98d45311a7f3abff4bd5e1eb8e5089972e https://git.kernel.org/stable/c/e5febcfbae9396fb3f064a2a14368c3d77d73ad4