NetSight
medium5.5

CVE-2023-53269

In the Linux kernel, the following vulnerability has been resolved: block: ublk: make sure that block size is set correctly block size is one very key setting …

Impact

In the Linux kernel, the following vulnerability has been resolved: block: ublk: make sure that block size is set correctly block size is one very key setting for block layer, and bad block size could panic kernel easily. Make sure that block size is set correctly. Meantime if ublk_validate_params() fails, clear ub->params so that disk is prevented from being added.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 6.0 before 6.1.24
from 6.2 before 6.2.11
Version 6.3

References