1. Home
  2. Vulnerabilities
  3. CVE-2023-53457
0.0
NA
CVE-2023-53457
FS: JFS: Fix null-ptr-deref Read in txBegin
Description

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.

INFO

Published Date :

Oct. 1, 2025, 12:15 p.m.

Last Modified :

Oct. 2, 2025, 7:12 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2023-53457 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
Address null pointer dereference in JFS by checking filesystem mount status.
  • Ensure filesystem is not read-only before calling txBegin.
  • Return appropriate error code when filesystem is read-only.
  • Apply the latest kernel patches for JFS.
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-2023-53457.

URL Resource
https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea
https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1
https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3
https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15
https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27
https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d
https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2
https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53457 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-2023-53457 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-2023-53457 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-2023-53457 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. 01, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.
    Added Reference https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea
    Added Reference https://git.kernel.org/stable/c/2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1
    Added Reference https://git.kernel.org/stable/c/3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3
    Added Reference https://git.kernel.org/stable/c/3e94d0d378d2754b26fc54b429582553f7b53e15
    Added Reference https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27
    Added Reference https://git.kernel.org/stable/c/a7225e9e09519deb7e0c42eb6070029cc456e84d
    Added Reference https://git.kernel.org/stable/c/a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2
    Added Reference https://git.kernel.org/stable/c/fd2db13fb72ff18c633a48229589d42ceb89d1f8
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.