CVE-2023-53269
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 16, 2025
First seenSep 16, 2025
How to fix
Update
- linux linux_kernel6.1.24, 6.2.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 6.0 ≤ v < 6.1.24, 6.2 ≤ v < 6.2.11, 6.3 | 6.1.24, 6.2.11 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.