CVE-2023-53569

Published: Oct 4, 2025Modified: Jun 17, 2026

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: NVD

Description

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.

Affected (12)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

12 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 2.6.12.1 to 4.14.316
Linux Linux Kernel	From 4.15 to 4.19.284
Linux Linux Kernel	From 4.20 to 5.4.244
Linux Linux Kernel	From 5.11 to 5.15.113
Linux Linux Kernel	From 5.16 to 6.1.30
Linux Linux Kernel	From 5.5 to 5.10.181
Linux Linux Kernel	From 6.2 to 6.3.4
Linux Linux Kernel	Version 2.6.12
Linux Linux Kernel	Version 2.6.12 rc2
Linux Linux Kernel	Version 2.6.12 rc3
Linux Linux Kernel	Version 2.6.12 rc4
Linux Linux Kernel	Version 2.6.12 rc5