Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
dm flakey: fix a crash with invalid table line
This command will crash with NULL pointer dereference:
dmsetup create flakey –table
“0 blockdev --getsize /dev/ram0 flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512”
Fix the crash by checking if arg_name is non-NULL before comparing it.
Details
- Affected product:
- AlmaLinux 9.2 ESU , CentOS 8.4 ELS , CentOS 8.5 ELS
- Affected packages:
- kernel @ 5.14.0 (+2 more)
In the Linux kernel, the following vulnerability has been resolved:
dm flakey: fix a crash with invalid table line
This command will crash with NULL pointer dereference:
dmsetup create flakey –table
“0 blockdev --getsize /dev/ram0 flakey /dev/ram0 0 0 1 2 corrupt_bio_byte 512”
Fix the crash by checking if arg_name is non-NULL before comparing it.