CVE-2023-53569

Updated on 04 Oct 2025

Severity

7.8 High severity

Details

CVSS score
7.8
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

ext2: Check block size validity during mount

Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.

Details

Affected packages:
linux @ 4.4.0 (+7 more)

In the Linux kernel, the following vulnerability has been resolved:

ext2: Check block size validity during mount

Check that log of block size stored in the superblock has sensible value. Otherwise the shift computing the block size can overflow leading to undefined behavior.

Fixes