CVE-2022-50712

Kernel warning via unlocked snapshot destruction

Published Dec 24, 2025 · Updated Dec 24, 2025

Improper locking in devlink regions in Linux 6.0 before 6.0.16 and 6.1 before 6.1.2 allows local users to trigger a kernel warning. devl_region_destroy() deletes pending snapshots without holding region->snapshot_lock, violating the assertion in devlink_region_snapshot_del(). Triggering the warning requires an administrative devlink reload while a region has pending snapshots; the published reproducer uses netdevsim, and no stronger consequence is documented.

CVSS severityUnavailable
Unscored
EPSS probability0.23%
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 devlink regions in Linux 6.0 before 6.0.16 and 6.1 before 6.1.2 allows local users to trigger a kernel warning. devl_region_destroy() deletes pending snapshots without holding region->snapshot_lock, violating the assertion in devlink_region_snapshot_del(). Triggering the warning requires an administrative devlink reload while a region has pending snapshots; the published reproducer uses netdevsim, and no stronger consequence is documented.

The record

CVE
CVE-2022-50712
Published
Dec 24, 2025
Updated
Dec 24, 2025
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
Unavailable
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Dec 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Dec 24, 2025Record 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=2dec18ad826f52658f7781ee995d236cc449b678 <49383d4e59bb704341aaa1d51440ccce58270e61
  2. Affected versionversion=2dec18ad826f52658f7781ee995d236cc449b678 <6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae
  3. Affected versionversion=2dec18ad826f52658f7781ee995d236cc449b678 <b4cafb3d2c740f8d1b1234b43ac4a60e5291c960
  4. Affected versionversion=6.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

The Linux Kernel Organization · Linuxversion=2dec18ad826f52658f7781ee995d236cc449b678 <49383d4e59bb704341aaa1d51440ccce58270e61; version=2dec18ad826f52658f7781ee995d236cc449b678 <6298cab4d80bfdb6fe01fe31fd9f0ba26317fdae; version=2dec18ad826f52658f7781ee995d236cc449b678 <b4cafb3d2c740f8d1b1234b43ac4a60e5291c960; version=6.0

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
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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