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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.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-01 | Updated 2026-05-03 | Assigner Linux




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Product status

Default status
unaffected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before 516da3f25cfe18643835af1cf09b0e9ffc36c383
affected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before a61163daf8a90b4a7ef154d5fc9c525f665734e3
affected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before 74c6015375d8b9bc1b1eb79f20636c8e894bcad7
affected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before c7a27bb4d0f6573ca0f9c7ef0b63291486239190
affected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before 6a4acd3e86fe5584050c213d95147eba33856033
affected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before 7f66fdbc077faed3b52519228d21d81979e92249
affected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before 2edc92f89eee328b5be5706b5d431bf90669e9c0
affected

6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 (git) before e716edafedad4952fe3a4a273d2e039a84e8681a
affected

fee906f035f0bd18ff12d84d58766c44a2ab0918 (git)
affected

Default status
affected

4.4
affected

Any version before 4.4
unaffected

5.10.253 (semver)
unaffected

5.15.203 (semver)
unaffected

6.1.168 (semver)
unaffected

6.6.134 (semver)
unaffected

6.12.81 (semver)
unaffected

6.18.22 (semver)
unaffected

6.19.12 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/516da3f25cfe18643835af1cf09b0e9ffc36c383

git.kernel.org/...c/a61163daf8a90b4a7ef154d5fc9c525f665734e3

git.kernel.org/...c/74c6015375d8b9bc1b1eb79f20636c8e894bcad7

git.kernel.org/...c/c7a27bb4d0f6573ca0f9c7ef0b63291486239190

git.kernel.org/...c/6a4acd3e86fe5584050c213d95147eba33856033

git.kernel.org/...c/7f66fdbc077faed3b52519228d21d81979e92249

git.kernel.org/...c/2edc92f89eee328b5be5706b5d431bf90669e9c0

git.kernel.org/...c/e716edafedad4952fe3a4a273d2e039a84e8681a

cve.org (CVE-2026-43047)

nvd.nist.gov (CVE-2026-43047)

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