CVE-2023-53269 - CVE House
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Status published Unknown CVE-2023-53269

block: ublk: make sure that block size is set correctly

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Linux
Vulnerable Versions:
71f28f3136aff5890cd56de78abc673f8393cad9, 6.0, 0, 6.1.24, 6.2.11, 6.3

Timeline

Official Publish: September 16th, 2025
Last Modified: May 11th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.