CVE-2025-38540

Local system hang via unresponsive camera sensor

Published Aug 16, 2025 · Updated May 11, 2026

Denial of service in affected Linux kernel releases allows local users to hang systems by querying a connected HP 5MP camera sensor. The HID layer exposes a nonexistent sensor interface for USB IDs 04F2:B824 and 04F2:B82C, so iio_info makes runtime PM wake an unresponsive device. Exploitation requires a connected affected camera and local access, and the resulting consequence is a system hang.

CVSS severity5.5
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in affected Linux kernel releases allows local users to hang systems by querying a connected HP 5MP camera sensor. The HID layer exposes a nonexistent sensor interface for USB IDs 04F2:B824 and 04F2:B82C, so iio_info makes runtime PM wake an unresponsive device. Exploitation requires a connected affected camera and local access, and the resulting consequence is a system hang.

The record

CVE
CVE-2025-38540
Published
Aug 16, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 16, 2025CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=3.8
  2. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <1b297ab6f38ca60a4ca7298b297944ec6043b2f4
  3. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <2b0931eee48208c25bb77486946dea8e96aa6a36
  4. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <35f1a5360ac68d9629abbb3930a0a07901cba296
  5. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <3ce1d87d1f5d80322757aa917182deb7370963b9
  6. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <54bae4c17c11688339eb73a04fd24203bb6e7494
  7. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <7ac00f019698f614a49cce34c198d0568ab0e1c2
  8. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <a2a91abd19c574b598b1c69ad76ad9c7eedaf062
  9. Affected versionversion=83499b52c61f50292f0aae36499de8a8fc3e37c3 <c72536350e82b53a1be0f3bfdf1511bba2827102

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=3.8; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <1b297ab6f38ca60a4ca7298b297944ec6043b2f4; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <2b0931eee48208c25bb77486946dea8e96aa6a36; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <35f1a5360ac68d9629abbb3930a0a07901cba296; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <3ce1d87d1f5d80322757aa917182deb7370963b9; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <54bae4c17c11688339eb73a04fd24203bb6e7494; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <7ac00f019698f614a49cce34c198d0568ab0e1c2; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <a2a91abd19c574b598b1c69ad76ad9c7eedaf062; version=83499b52c61f50292f0aae36499de8a8fc3e37c3 <c72536350e82b53a1be0f3bfdf1511bba2827102

Published CVSS scores

5.5Amazon LinuxCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

T1499Endpoint Denial of Service

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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