Unrated severityNVD Advisory· Published Sep 16, 2025· Updated Jan 14, 2026
block: ublk: make sure that block size is set correctly
CVE-2023-53269
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.
Affected products
2- Linux/Linuxv5Range: 6.0
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3News mentions
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