HID: multitouch: Check to ensure report responses match the request

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Summary

CVECVE-2026-43047
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-01 15:16:51 UTC
Updated2026-05-03 07:16:23 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.000240000 probability, percentile 0.068220000 (date 2026-05-02)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 516da3f25cfe18643835af1cf09b0e9ffc36c383 git Not specified
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 a61163daf8a90b4a7ef154d5fc9c525f665734e3 git Not specified
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 74c6015375d8b9bc1b1eb79f20636c8e894bcad7 git Not specified
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 c7a27bb4d0f6573ca0f9c7ef0b63291486239190 git Not specified
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 6a4acd3e86fe5584050c213d95147eba33856033 git Not specified
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 7f66fdbc077faed3b52519228d21d81979e92249 git Not specified
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 2edc92f89eee328b5be5706b5d431bf90669e9c0 git Not specified
CNA Linux Linux affected 6d4f5440a3a2bb2e9d0d582bbf98234e9e9bb095 e716edafedad4952fe3a4a273d2e039a84e8681a git Not specified
CNA Linux Linux affected fee906f035f0bd18ff12d84d58766c44a2ab0918 git Not specified
CNA Linux Linux affected 4.4 Not specified
CNA Linux Linux unaffected 4.4 semver Not specified
CNA Linux Linux unaffected 5.10.253 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.203 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.168 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.134 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.81 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.22 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.12 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2edc92f89eee328b5be5706b5d431bf90669e9c0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/74c6015375d8b9bc1b1eb79f20636c8e894bcad7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/c7a27bb4d0f6573ca0f9c7ef0b63291486239190 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a61163daf8a90b4a7ef154d5fc9c525f665734e3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6a4acd3e86fe5584050c213d95147eba33856033 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/516da3f25cfe18643835af1cf09b0e9ffc36c383 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7f66fdbc077faed3b52519228d21d81979e92249 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e716edafedad4952fe3a4a273d2e039a84e8681a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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