CVE-2023-53269 — block: ublk: make sure that block size is set correctly
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,…
Published: 2025-09-16 · CVSS: 5.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7