IBM AIX/VIOS perfstat Kernel Extension denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in IBM AIX and VIOS. This vulnerability affects unknown code of the component perfstat Kernel Extension. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2022-43848. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in IBM AIX and VIOS (Operating System) (version unknown). It has been rated as critical. Affected by this issue is an unknown function of the component perfstat Kernel Extension. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX perfstat kernel extension to cause a denial of service. IBM X-Force ID: 239169.

The weakness was disclosed 12/23/2022. The advisory is shared for download at ibm.com. This vulnerability is handled as CVE-2022-43848 since 10/26/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (239169). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.2
CNA Vector (IBM Corporation): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/26/2022 🔍
12/23/2022 +58 days 🔍
12/23/2022 +0 days 🔍
01/23/2023 +31 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2022-43848 (🔍)
GCVE (CVE): GCVE-0-2022-43848
GCVE (VulDB): GCVE-100-216692
X-Force: 239169

Entryinfo

Created: 12/24/2022 00:04
Updated: 01/23/2023 14:23
Changes: 12/24/2022 00:04 (41), 01/23/2023 14:23 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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