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Vulnerability record · CVE-2026-43047 · published 1 May 2026

CVE-2026-43047: Linux kernel out-of-bounds write vulnerability

Linux · Linux Kernel

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: Check to ensure report responses match the request It is possible for a malicious (or clumsy) device to respond to a specific report's feature request using a completely different report ID. This can cause confusion in the HID core resulting in nasty side-effects such as OOB writes. Add a check to ensure that the report ID in the response, matches the one that was requested. If it doesn't, omit reporting the raw event and return early.

7.8 CVSS 3.1 High EPSS 0.18% · top 93.6% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: Check to ensure report responses match the request It is possible for a malicious (or clumsy) device to respond to a specific report's feature request using a completely different report ID. This can cause confusion in the HID core resulting in nasty side-effects such as OOB writes. Add a check to ensure that the report ID in the response, matches the one that was requested. If it doesn't, omit reporting the raw event and return early.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/2edc92f89eee328b5be5706b5d431bf90669e9c0 Patch
https://git.kernel.org/stable/c/516da3f25cfe18643835af1cf09b0e9ffc36c383 Patch
https://git.kernel.org/stable/c/6a4acd3e86fe5584050c213d95147eba33856033 Patch
https://git.kernel.org/stable/c/74c6015375d8b9bc1b1eb79f20636c8e894bcad7 Patch
https://git.kernel.org/stable/c/7f66fdbc077faed3b52519228d21d81979e92249 Patch
https://git.kernel.org/stable/c/a61163daf8a90b4a7ef154d5fc9c525f665734e3 Patch
https://git.kernel.org/stable/c/c7a27bb4d0f6573ca0f9c7ef0b63291486239190 Patch
https://git.kernel.org/stable/c/e716edafedad4952fe3a4a273d2e039a84e8681a Patch

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Source: NIST National Vulnerability Database (record CVE-2026-43047), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.