CVE-2023-54264
fs/sysv: Null check to prevent null-ptr-deref bug
Description
In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug.
INFO
Published Date :
Dec. 30, 2025, 1:16 p.m.
Last Modified :
Dec. 30, 2025, 1:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2023-54264
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.
No affected product recoded yet
Solution
- Update the Linux kernel to the latest version.
- Apply the security patch for the sysv file system.
- Reboot the system after applying updates.
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-2023-54264.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-54264 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-2023-54264
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-2023-54264 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-54264 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.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Dec. 30, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sb_getblk(inode->i_sb, parent) return a null ptr and taking lock on that leads to the null-ptr-deref bug. Added Reference https://git.kernel.org/stable/c/0a44ceba77c3267f8505dda102a59367dc24caee Added Reference https://git.kernel.org/stable/c/1416eebaad80bdc85ad9f97f27242011b031e2a9 Added Reference https://git.kernel.org/stable/c/7f740bc696d4617f8ee44565e8ac0d36278a1e91 Added Reference https://git.kernel.org/stable/c/afd9a31b5aa4b3747f382d44a7b03b7b5d0b7635 Added Reference https://git.kernel.org/stable/c/baa60c66a310c50785289b0ede6fdce8ec3219c7 Added Reference https://git.kernel.org/stable/c/e28f376dd8dfcc4e880ac101184132bc08703f6e Added Reference https://git.kernel.org/stable/c/e976988bc245ec3768cc0f76bed7d05488a7dd0f Added Reference https://git.kernel.org/stable/c/ea2b62f305893992156a798f665847e0663c9f41