CVE-2025-22012

System lock-ups via false SMMU coherency declaration

Published Apr 8, 2025 · Updated Aug 5, 2026

Improper locking in the Linux kernel 6.13 allows local users to cause system lock-ups or resets on affected SDM845/850 devices. The sdm845 device tree marks apps_smmu as DMA-coherent, causing the driver to use coherent page-table walks even when device firmware lacks the required support. Reachability requires local low-privileged access and affected firmware; the documented consequence is an availability-only lock-up or reset.

CVSS severity5.5
Medium
EPSS probability0.14%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper locking in the Linux kernel 6.13 allows local users to cause system lock-ups or resets on affected SDM845/850 devices. The sdm845 device tree marks apps_smmu as DMA-coherent, causing the driver to use coherent page-table walks even when device firmware lacks the required support. Reachability requires local low-privileged access and affected firmware; the documented consequence is an availability-only lock-up or reset.

The record

CVE
CVE-2025-22012
Published
Apr 8, 2025
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-667
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 8, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 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=6.13
  2. Affected versionversion=6b31a9744b8726c69bb0af290f8475a368a4b805 <9e6e9fc90258a318d30b417bcccda908bb82ee9d
  3. Affected versionversion=6b31a9744b8726c69bb0af290f8475a368a4b805 <f00db31d235946853fb430de8c6aa1295efc8353

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.13; version=6b31a9744b8726c69bb0af290f8475a368a4b805 <9e6e9fc90258a318d30b417bcccda908bb82ee9d; version=6b31a9744b8726c69bb0af290f8475a368a4b805 <f00db31d235946853fb430de8c6aa1295efc8353

Published CVSS scores

5.5CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5NIST NVDCVSS: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

CWE-667Improper Locking

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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