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CVE-2023-53569
ext2: Check block size validity during mount
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.

INFO

Published Date :

Oct. 4, 2025, 4:15 p.m.

Last Modified :

Oct. 6, 2025, 2:56 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-53569 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.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Apply Linux kernel updates to fix block size validation issues.
  • Update the Linux kernel to the latest version.
  • Apply patches addressing the ext2 block size validation.
  • Reboot the system after applying updates.
  • Verify the integrity of the filesystem.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-53569.

URL Resource
https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69c
https://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584
https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71
https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0a
https://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001
https://git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193e
https://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1e
https://git.kernel.org/stable/c/e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53569 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53569 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53569 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-53569 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 04, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69c
    Added Reference https://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584
    Added Reference https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71
    Added Reference https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0a
    Added Reference https://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001
    Added Reference https://git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193e
    Added Reference https://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1e
    Added Reference https://git.kernel.org/stable/c/e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.