CVE-2022-49088

Local service interruption via leaked device-node reference

Published Feb 26, 2025 · Updated May 11, 2026

A reference-count leak in the Linux kernel dpaa2 PTP driver allows local users to exhaust kernel resources and interrupt the system. dpaa2_ptp_probe retains the incremented node reference returned by of_find_compatible_node instead of releasing it with of_node_put after setup. Reachability requires an affected kernel on a system whose device tree causes the Freescale DPAA2 PTP driver to probe; the reported consequence is availability loss only.

CVSS severity5.5
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

A reference-count leak in the Linux kernel dpaa2 PTP driver allows local users to exhaust kernel resources and interrupt the system. dpaa2_ptp_probe retains the incremented node reference returned by of_find_compatible_node instead of releasing it with of_node_put after setup. Reachability requires an affected kernel on a system whose device tree causes the Freescale DPAA2 PTP driver to probe; the reported consequence is availability loss only.

The record

CVE
CVE-2022-49088
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=5.3
  2. Affected versionversion=d346c9e86d8685d7cdceddf5b2e9c4376334620c <2b04bd4f03bba021959ca339314f6739710f0954
  3. Affected versionversion=d346c9e86d8685d7cdceddf5b2e9c4376334620c <45fdd98b70142521739615ad1bfb760401863b73
  4. Affected versionversion=d346c9e86d8685d7cdceddf5b2e9c4376334620c <46d120f7c163706d6c31ee00baa0be64c4572b78
  5. Affected versionversion=d346c9e86d8685d7cdceddf5b2e9c4376334620c <599874bbc4ed832ccb578d48ac0ae7344382ef43
  6. Affected versionversion=d346c9e86d8685d7cdceddf5b2e9c4376334620c <ebd1e3458dbf6643aa0272da398cb5b537d492b7
  7. Affected versionversion=d346c9e86d8685d7cdceddf5b2e9c4376334620c <fbe5f4c0dd3475178f17ddd8b8d5044ebeae0be7

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=5.3; version=d346c9e86d8685d7cdceddf5b2e9c4376334620c <2b04bd4f03bba021959ca339314f6739710f0954; version=d346c9e86d8685d7cdceddf5b2e9c4376334620c <45fdd98b70142521739615ad1bfb760401863b73; version=d346c9e86d8685d7cdceddf5b2e9c4376334620c <46d120f7c163706d6c31ee00baa0be64c4572b78; version=d346c9e86d8685d7cdceddf5b2e9c4376334620c <599874bbc4ed832ccb578d48ac0ae7344382ef43; version=d346c9e86d8685d7cdceddf5b2e9c4376334620c <ebd1e3458dbf6643aa0272da398cb5b537d492b7; version=d346c9e86d8685d7cdceddf5b2e9c4376334620c <fbe5f4c0dd3475178f17ddd8b8d5044ebeae0be7

Published CVSS scores

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 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.

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Technologies

Your stack

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Your stack

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