Input: mtk-pmic-keys - fix possible null pointer dereference

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-37972
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-05-20 17:15:47 UTC
Updated2026-07-14 13:17:34 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: Input: mtk-pmic-keys - fix possible null pointer dereference In mtk_pmic_keys_probe, the regs parameter is only set if the button is parsed in the device tree. However, on hardware where the button is left floating, that node will most likely be removed not to enable that input. In that case the code will try to dereference a null pointer. Let's use the regs struct instead as it is defined for all supported platforms. Note that it is ok setting the key reg even if that latter is disabled as the interrupt won't be enabled anyway.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: CWE-476

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected b581acb49aec5c3b0af9ab1c537fb73481b79069 334d74a798463ceec02a41eb0e2354aaac0d6249 git Not specified
CNA Linux Linux affected b581acb49aec5c3b0af9ab1c537fb73481b79069 90fa6015ff83ef1c373cc61b7c924ab2bcbe1801 git Not specified
CNA Linux Linux affected b581acb49aec5c3b0af9ab1c537fb73481b79069 619c05fb176c272ac6cecf723446b39723ee6d97 git Not specified
CNA Linux Linux affected b581acb49aec5c3b0af9ab1c537fb73481b79069 09429ddb5a91e9e8f72cd18c012ec4171c2f85ec git Not specified
CNA Linux Linux affected b581acb49aec5c3b0af9ab1c537fb73481b79069 11cdb506d0fbf5ac05bf55f5afcb3a215c316490 git Not specified
CNA Linux Linux affected 6.0 Not specified
CNA Linux Linux unaffected 6.0 semver Not specified
CNA Linux Linux unaffected 6.1.139 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.91 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.29 6.12.* semver Not specified
CNA Linux Linux unaffected 6.14.7 6.14.* semver Not specified
CNA Linux Linux unaffected 6.15 * original_commit_for_fix Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.6 * custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.6 * custom Not specified

References

ReferenceSourceLinkTags
lists.debian.org/debian-lts-announce/2025/08/msg00010.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/619c05fb176c272ac6cecf723446b39723ee6d97 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-019113.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/11cdb506d0fbf5ac05bf55f5afcb3a215c316490 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/09429ddb5a91e9e8f72cd18c012ec4171c2f85ec 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/334d74a798463ceec02a41eb0e2354aaac0d6249 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/90fa6015ff83ef1c373cc61b7c924ab2bcbe1801 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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