CVE-2026-43047
Published: May 2, 2026Last modified: May 2, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.168-r0) |
| 25 LTS | linux-lts | Fixed (6.12.81-r0) | |
| Stream | linux-lts | Fixed (6.12.85-r0) |
References
- https://git.kernel.org/stable/c/2edc92f89eee328b5be5706b5d431bf90669e9c0
- https://git.kernel.org/stable/c/516da3f25cfe18643835af1cf09b0e9ffc36c383
- https://git.kernel.org/stable/c/6a4acd3e86fe5584050c213d95147eba33856033
- https://git.kernel.org/stable/c/74c6015375d8b9bc1b1eb79f20636c8e894bcad7
- https://git.kernel.org/stable/c/7f66fdbc077faed3b52519228d21d81979e92249
- https://git.kernel.org/stable/c/a61163daf8a90b4a7ef154d5fc9c525f665734e3
- https://git.kernel.org/stable/c/c7a27bb4d0f6573ca0f9c7ef0b63291486239190
- https://git.kernel.org/stable/c/e716edafedad4952fe3a4a273d2e039a84e8681a