CVE-2026-68225

Received Received - Intake

NULL Pointer Dereference in Linux Kernel alvium Camera Driver

Publication date: 2026-08-10

Last updated on: 2026-08-17

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: media: i2c: alvium: fix critical pointer access in alvium_ctrl_init The current implementation of alvium_ctrl_init creates several controls in function alvium_ctrl_init and uses the returned pointer without check. That can cause write access over NULL-pointer for several controls. The reworked code checks the pointers before adding flags.

CVSS Scores

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Meta Information

Published

2026-08-10

Last Modified

2026-08-17

Generated

2026-08-30

AI Q&A

2026-08-10

EPSS Evaluated

2026-08-29

NVD

CVE-2026-68225

EUVD

EUVD-2026-55326

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability is in the Linux kernel's media driver for the ALVIUM camera interface. The issue occurs in the alvium_ctrl_init function where controls are created and their pointers are used without proper validation. This can lead to a NULL pointer dereference, causing potential write operations to invalid memory locations.

Detection Guidance

This vulnerability is specific to the Linux kernel's media driver for ALVIUM cameras. Detection requires checking kernel logs for NULL pointer dereference errors in the alvium driver or verifying if your system uses a vulnerable kernel version with the affected driver.

Impact Analysis

This vulnerability could cause system crashes or instability due to NULL pointer dereferences. An attacker with local access might exploit this to execute arbitrary code or escalate privileges on affected systems running the vulnerable Linux kernel.

Compliance Impact

This vulnerability involves a NULL pointer dereference in the Linux kernel's media driver for the ALVIUM camera, which could lead to memory corruption or crashes. It does not directly relate to data handling, access controls, or privacy mechanisms typically addressed by GDPR or HIPAA. Therefore, its impact on compliance with these standards is likely minimal or indirect.

Mitigation Strategies

Update your Linux kernel to a patched version that includes the fix for CVE-2026-68225. If you are using a custom kernel, ensure the alvium driver is updated to a version that checks pointers before use.

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