Vulnerability identifier: #VU61035

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38988

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
IBM AIX
Operating systems & Components / Operating system

Vendor: IBM Corporation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the AIX kernel. A local user can run a specially crafted program to perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

IBM AIX: 7.1 - 7.3

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External links
http://aix.software.ibm.com/aix/efixes/security/pfcdd_advisory.asc

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.