CVE-2023-53791

In the Linux kernel, the following vulnerability has been resolved: md: fix warning for holder mismatch from exportrdev Commit a1d767191096 "md: use mddev-external to select holder in exportrdev" fix the problem that 'claimrdev' is used for blkdevgetbydev while 'rdev' is used for blkdevput...

CVE-2023-53791

CVE-2023-53791 concerns the Linux kernel's md (device-mapper/RAID) code. The issue arises from a mismatch of the holder between export_rdev() and blkdev_put() when mddev->external toggles from 0 to 1: a rdev may be used as a holder by blkdev_get_by_dev() but the corresponding release uses clai...

CVE-2023-53665

In the Linux kernel, the following vulnerability has been resolved: md: don't dereference mddev after exportrdev Except for initial reference, mddev-kobject is referenced by rdev-kobject, and if the last rdev is freed, there is no guarantee that mddev is still valid. Hence mddev should not be use...

CVE-2023-53665 md: don't dereference mddev after export_rdev()

In the Linux kernel, the following vulnerability has been resolved: md: don't dereference mddev after exportrdev Except for initial reference, mddev-kobject is referenced by rdev-kobject, and if the last rdev is freed, there is no guarantee that mddev is still valid. Hence mddev should not be use...