CVE-2022-49192

System crash via unbalanced CPSW runtime-power reference

Published Feb 26, 2025 · Updated May 11, 2026

Availability flaw in the Linux kernel CPSW Ethernet driver 5.15 through 5.17.1 allows local users to crash the system through ethtool. The cpsw_ethtool_begin function treats the positive success return from pm_runtime_get_sync as an error, causing an extra pm_runtime_put that suspends the device before a later access violation. The path requires a TI CPSW device and permission to change interrupt-coalescing settings; successful triggering causes a kernel panic and service interruption.

CVSS severity5.5
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Availability flaw in the Linux kernel CPSW Ethernet driver 5.15 through 5.17.1 allows local users to crash the system through ethtool. The cpsw_ethtool_begin function treats the positive success return from pm_runtime_get_sync as an error, causing an extra pm_runtime_put that suspends the device before a later access violation. The path requires a TI CPSW device and permission to change interrupt-coalescing settings; successful triggering causes a kernel panic and service interruption.

The record

CVE
CVE-2022-49192
Published
Feb 26, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 26, 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

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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=5.15
  2. Affected versionversion=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <2844e2434385819f674d1fb4130c308c50ba681e
  3. Affected versionversion=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <30ad11bff021a94aff6dab1ec9236fdfd884fbff
  4. Affected versionversion=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <459080fab12b23c0526026e5cedbf3fabb5457cc
  5. Affected versionversion=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <585dc196a08fccdcd1b7fcf473cf566b34c4b840

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.15; version=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <2844e2434385819f674d1fb4130c308c50ba681e; version=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <30ad11bff021a94aff6dab1ec9236fdfd884fbff; version=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <459080fab12b23c0526026e5cedbf3fabb5457cc; version=d43c65b05b848e0b2db1a6c78b02c189da3a95b5 <585dc196a08fccdcd1b7fcf473cf566b34c4b840

Published CVSS scores

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

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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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