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5.5
MEDIUM CVSS 3.1
CVE-2023-53423
objtool: Fix memory leak in create_static_call_sections()
Description

In the Linux kernel, the following vulnerability has been resolved: objtool: Fix memory leak in create_static_call_sections() strdup() allocates memory for key_name. We need to release the memory in the following error paths. Add free() to avoid memory leak.

INFO

Published Date :

Sept. 18, 2025, 4:15 p.m.

Last Modified :

Jan. 14, 2026, 8:16 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2023-53423 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
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Free allocated memory in error paths to prevent memory leaks.
  • Apply the provided patch to the Linux kernel.
  • Ensure all error paths correctly free allocated memory.
  • Review memory management in similar kernel functions.
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-2023-53423.

URL Resource
https://git.kernel.org/stable/c/3a75866a5ceff5d4fdd5471e06c4c4d03e0298b3 Patch
https://git.kernel.org/stable/c/3da73f102309fe29150e5c35acd20dd82063ff67 Patch
https://git.kernel.org/stable/c/a1368eaea058e451d20ea99ca27e72d9df0d16dd Patch
https://git.kernel.org/stable/c/a8f63d747bf7c983882a5ea7456a5f84ad3acad5 Patch
https://git.kernel.org/stable/c/d131718d9c45d559951f57c4b88209ca407433c4 Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53423 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-2023-53423 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-2023-53423 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-2023-53423 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.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 14, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-401
  • Initial Analysis by [email protected]

    Dec. 11, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.100 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.18 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.2.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.10 up to (excluding) 5.10.173
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3a75866a5ceff5d4fdd5471e06c4c4d03e0298b3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/3da73f102309fe29150e5c35acd20dd82063ff67 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a1368eaea058e451d20ea99ca27e72d9df0d16dd Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a8f63d747bf7c983882a5ea7456a5f84ad3acad5 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d131718d9c45d559951f57c4b88209ca407433c4 Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Sep. 18, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: objtool: Fix memory leak in create_static_call_sections() strdup() allocates memory for key_name. We need to release the memory in the following error paths. Add free() to avoid memory leak.
    Added Reference https://git.kernel.org/stable/c/3a75866a5ceff5d4fdd5471e06c4c4d03e0298b3
    Added Reference https://git.kernel.org/stable/c/3da73f102309fe29150e5c35acd20dd82063ff67
    Added Reference https://git.kernel.org/stable/c/a1368eaea058e451d20ea99ca27e72d9df0d16dd
    Added Reference https://git.kernel.org/stable/c/a8f63d747bf7c983882a5ea7456a5f84ad3acad5
    Added Reference https://git.kernel.org/stable/c/d131718d9c45d559951f57c4b88209ca407433c4
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
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact