CVE-2026-64494

Device autosuspend prevention via leaked runtime PM reference

Published Jul 25, 2026 · Updated Jul 25, 2026

A runtime power-management leak in the Linux Kernel gp2ap002 light-sensor driver allows local users to prevent device autosuspend. The gp2ap002_read_raw() error path returns after gp2ap002_get_lux() fails without calling pm_runtime_put_autosuspend(), permanently retaining a runtime PM reference. Exploitation requires local access to trigger a failing lux read on hardware using this driver; the bounded consequence is sustained device activity rather than code execution or data access.

CVSS severity2.5
Low
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A runtime power-management leak in the Linux Kernel gp2ap002 light-sensor driver allows local users to prevent device autosuspend. The gp2ap002_read_raw() error path returns after gp2ap002_get_lux() fails without calling pm_runtime_put_autosuspend(), permanently retaining a runtime PM reference. Exploitation requires local access to trigger a failing lux read on hardware using this driver; the bounded consequence is sustained device activity rather than code execution or data access.

The record

CVE
CVE-2026-64494
Published
Jul 25, 2026
Updated
Jul 25, 2026
Vendor
The Linux Kernel Organization
Product
Linux Kernel
Classifications
Unavailable
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.7.6 <5.8
  2. Affected versionversion=5.8
  3. Affected versionversion=f3e84bf3f86bb3b7bd50666bb8ef7a203a656ca3
  4. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <0c655d067ac69ee24e2e9d706c54179ea58a43db
  5. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <2593f0c6ea37df168975694a3b17e7086f11453e
  6. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <29137052c4485c74bc2d1b0717f69ca4de14274f
  7. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <2ebaea7f3089decb01a8294d89d7e0cf288146c4
  8. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <38b72267b7e22768a1f26d9935de4e1752a1dc85
  9. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <62e0d74821a02f0e0c5c79b99ae64dc83a9a90f5
  10. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <7110201c6b21455240c63388f30113f3baafacfc
  11. Affected versionversion=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <f350883989ced96d6da7f582f9a6f9c6ffc94e34

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linux Kernelversion=5.7.6 <5.8; version=5.8; version=f3e84bf3f86bb3b7bd50666bb8ef7a203a656ca3; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <0c655d067ac69ee24e2e9d706c54179ea58a43db; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <2593f0c6ea37df168975694a3b17e7086f11453e; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <29137052c4485c74bc2d1b0717f69ca4de14274f; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <2ebaea7f3089decb01a8294d89d7e0cf288146c4; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <38b72267b7e22768a1f26d9935de4e1752a1dc85; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <62e0d74821a02f0e0c5c79b99ae64dc83a9a90f5; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <7110201c6b21455240c63388f30113f3baafacfc; version=f6dbf83c17cb223ceabd7c42d441414f3e0e8a86 <f350883989ced96d6da7f582f9a6f9c6ffc94e34

Published CVSS scores

2.5Amazon LinuxCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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