CVE-2022-39164

Kernel service interruption by local users

Published Dec 23, 2022 · Updated Apr 10, 2025

Denial of service in the IBM AIX kernel 7.1, 7.2, 7.3, and VIOS 3.1 allows local users to interrupt the operating system. IBM has not published the vulnerable kernel function, the triggering input, or the incorrect operation performed on that input. Non-privileged local access is sufficient, and the disclosed consequence is limited to service interruption with no reported data disclosure or modification.

CVSS severity6.2
Medium
EPSS probability0.18%
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 the IBM AIX kernel 7.1, 7.2, 7.3, and VIOS 3.1 allows local users to interrupt the operating system. IBM has not published the vulnerable kernel function, the triggering input, or the incorrect operation performed on that input. Non-privileged local access is sufficient, and the disclosed consequence is limited to service interruption with no reported data disclosure or modification.

The record

CVE
CVE-2022-39164
Published
Dec 23, 2022
Updated
Apr 10, 2025
Vendor
IBM
Product
AIX
Classifications
T1499
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 23, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 10, 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=7.1, 7.2, 7.3, VIOS 3.1

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

IBM · AIXversion=7.1, 7.2, 7.3, VIOS 3.1

Published CVSS scores

6.2IBMCVSS:3.0/AV:L/AC:L/PR:N/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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.

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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