CVE-2026-23196
Unknown Unknown - Not Provided

Null Pointer Dereference in Intel-thc-hid DMA Buffer Read

Publication date: 2026-02-14

Last updated on: 2026-03-19

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: HID: Intel-thc-hid: Intel-thc: Add safety check for reading DMA buffer Add DMA buffer readiness check before reading DMA buffer to avoid unexpected NULL pointer accessing.

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Meta Information

Published
2026-02-14
Last Modified
2026-03-19
Generated
2026-07-06
AI Q&A
2026-02-14
EPSS Evaluated
2026-07-04
NVD
CVE-2026-23196
EUVD
EUVD-2026-6107

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel 6.19
linux linux_kernel From 6.14 (inc) to 6.18.10 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.

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Executive Summary

This vulnerability exists in the Linux kernel's Intel-thc-hid component. It involves the lack of a safety check when reading from a DMA (Direct Memory Access) buffer. Without this check, the system might attempt to read from a DMA buffer that is not ready, potentially causing a NULL pointer access.

Impact Analysis

The impact of this vulnerability could include system instability or crashes due to unexpected NULL pointer dereferences when the kernel reads from an unready DMA buffer. This could potentially lead to denial of service or other unpredictable behavior in systems using the affected Intel-thc-hid driver.

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