Security Advisory

CVE-2023-53269

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-09-16 08:06:58

Last updated 2026-05-11 19:41:39

Assigner Linux

State PUBLISHED

Description

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.

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