CVE-2026-31520
HID: apple: avoid memory leak in apple_report_fixup()
Description
In the Linux kernel, the following vulnerability has been resolved: HID: apple: avoid memory leak in apple_report_fixup() The apple_report_fixup() function was returning a newly kmemdup()-allocated buffer, but never freeing it. The caller of report_fixup() does not take ownership of the returned pointer, but it *is* permitted to return a sub-portion of the input rdesc, whose lifetime is managed by the caller.
INFO
Published Date :
April 22, 2026, 2:16 p.m.
Last Modified :
April 22, 2026, 2:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Apply the patch to resolve the memory leak.
- Ensure proper memory management in report_fixup.
- Review kernel memory allocation and deallocation.
- Test the fix to confirm memory leak resolution.
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-2026-31520.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-31520 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-2026-31520
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-2026-31520 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-31520 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
Apr. 22, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: HID: apple: avoid memory leak in apple_report_fixup() The apple_report_fixup() function was returning a newly kmemdup()-allocated buffer, but never freeing it. The caller of report_fixup() does not take ownership of the returned pointer, but it *is* permitted to return a sub-portion of the input rdesc, whose lifetime is managed by the caller. Added Reference https://git.kernel.org/stable/c/239c15116d80f67d32f00acc34575f1a6b699613 Added Reference https://git.kernel.org/stable/c/2635d0c715f3fb177e0f80ecd5fa48feb6bf3884 Added Reference https://git.kernel.org/stable/c/31860c3f7ac66ab897a8c90dc4e74fa17ca0b624 Added Reference https://git.kernel.org/stable/c/be1a341c161430282acdfe2ac99b413271575cf1 Added Reference https://git.kernel.org/stable/c/e2f090aeb7b9930a964e151910f4d45b04c8a7e5 Added Reference https://git.kernel.org/stable/c/e652ebd29928181c3e6820e303da25873e9917d4