CVE-2023-54049
Unknown Unknown - Not Provided

NULL Pointer Dereference in Linux rpmsg: glink Due to Missing kstrdup Check

Publication date: 2025-12-24

Last updated on: 2025-12-24

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: rpmsg: glink: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.

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Meta Information

Published
2025-12-24
Last Modified
2025-12-24
Generated
2026-07-06
AI Q&A
2025-12-24
EPSS Evaluated
2026-07-05
NVD
CVE-2023-54049
EUVD
EUVD-2023-60277

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel *

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Exploitability

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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability in the Linux kernel's rpmsg: glink component occurs because the code did not check the return value of the kstrdup() function. If kstrdup() fails and returns NULL, the code could dereference this NULL pointer, leading to a potential crash or undefined behavior. The fix adds a check for kstrdup()'s return value and returns an error if it fails, preventing the NULL pointer dereference.

Impact Analysis

If exploited, this vulnerability could cause the Linux kernel to dereference a NULL pointer, potentially leading to a system crash or instability. This could result in denial of service or unexpected behavior in systems using the affected rpmsg: glink component.

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