CVE-2023-53269
block: ublk: make sure that block size is set correctly
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.
INFO
Published Date :
Sept. 16, 2025, 8:06 a.m.
Last Modified :
Sept. 16, 2025, 8:06 a.m.
Remotely Exploit :
No
Source :
Linux
Affected Products
The following products are affected by CVE-2023-53269
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply kernel updates to resolve block size issues.
- Verify block size settings for the ublk module.
- Clear module parameters on validation failure.
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CVE-2023-53269 vulnerability anywhere in the article.