Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md: Fixed an issue with warnings for holder mismatch in exportrdev. The commit a1d767191096 “md: Use mddev-external to select holder in exportrdev” fixes the problem where ‘claimrdev’ is used for blkdevgetbydev, while ‘rdev’ i...

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...

SUSE 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...