HID: hidpp: fix potential UAF in hidpp_connect_event()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-93826
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 17:17:16 UTC
Updated2026-10-03 11:17:52 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: HID: hidpp: fix potential UAF in hidpp_connect_event() If input_register_device() fails, we call input_free_device(), but keep stale pointer to the old device in hidpp->input, which could potentially lead to UAF. Fix that by resetting it to NULL before returning from hidpp_connect_event().

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from 416baaa9-dc9f-4396-8d5f-8c081fb06d67

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

EPSS: 0.002340000 probability, percentile 0.130050000 (date 2026-10-05)

VersionSourceTypeScoreSeverityVector
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected c39e3d5fc9dd3e16c6f59dd94d827540040de66d e03fd646adad7f97fa4429ec5f38cee9bde5276e git Not specified
CNA Linux Linux affected c39e3d5fc9dd3e16c6f59dd94d827540040de66d 5d7637f4d050d105177217e64b869f56f9825060 git Not specified
CNA Linux Linux affected c39e3d5fc9dd3e16c6f59dd94d827540040de66d 3b8b2e58b078cd30e121401535541bb8a6d57133 git Not specified
CNA Linux Linux affected c39e3d5fc9dd3e16c6f59dd94d827540040de66d 3303398cc2aa255ba251650a30024e11d48ea6c3 git Not specified
CNA Linux Linux affected c39e3d5fc9dd3e16c6f59dd94d827540040de66d 6df6b1f2c49678211f65647c300bc51dda02893b git Not specified
CNA Linux Linux affected 3.19 Not specified
CNA Linux Linux unaffected 3.19 semver Not specified
CNA Linux Linux unaffected 6.1.189 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.158 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/6df6b1f2c49678211f65647c300bc51dda02893b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3b8b2e58b078cd30e121401535541bb8a6d57133 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/5d7637f4d050d105177217e64b869f56f9825060 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/e03fd646adad7f97fa4429ec5f38cee9bde5276e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/3303398cc2aa255ba251650a30024e11d48ea6c3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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