Security Bulletin
Summary
There is a vulnerability in the AIX pfcdd kernel extension.
Vulnerability Details
CVEID: CVE-2021-38988
DESCRIPTION: IBM AIX could allow a non-privileged local user to exploit a vulnerability in the AIX kernel to cause a denial of service.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/212950 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
Affected Product(s) | Version(s) |
AIX | 7.1 |
AIX | 7.2 |
AIX | 7.3 |
VIOS | 3.1 |
The vulnerabilities in the following filesets are being addressed:
Fileset | Lower Level | Upper Level |
bos.pfcdd.rte | 7.1.5.0 | 7.1.5.32 |
bos.pfcdd.rte | 7.2.4.0 | 7.2.4.0 |
bos.pfcdd.rte | 7.2.5.0 | 7.2.5.0 |
bos.pfcdd.rte | 7.3.0.0 | 7.3.0.0 |
Remediation/Fixes
AIX Level | APAR | SP |
7.1.5 | IJ37508 | SP10 |
7.2.4 | IJ37504 | SP06 |
7.2.5 | IJ37494 | SP04 |
7.3.0 | IJ37403 | SP02 |
VIOS Level | APAR | SP |
3.1.1 | IJ37504 | 3.1.1.60 |
3.1.2 | IJ37779 | 3.1.2.40 |
3.1.3 | IJ37494 | 3.1.3.20 |
Subscribe to the APARs here:
AIX Level | Interim Fix |
7.1.5.7 | IJ37508s9a.220215.epkg.Z |
7.1.5.8 | IJ37508s9a.220215.epkg.Z |
7.1.5.9 | IJ37508s9a.220215.epkg.Z |
7.2.4.3 | IJ37504s5a.220215.epkg.Z |
7.2.4.4 | IJ37504s5a.220215.epkg.Z |
7.2.4.5 | IJ37504s5a.220215.epkg.Z |
7.2.5.1 | IJ37494s3a.220215.epkg.Z |
7.2.5.2 | IJ37494s3a.220215.epkg.Z |
7.2.5.3 | IJ37494s3a.220215.epkg.Z |
7.3.0.1 | IJ37403s1a.220215.epkg.Z |
VIOS Level | Interim Fix |
3.1.1.30 | IJ37504s5a.220215.epkg.Z |
3.1.1.40 | IJ37504s5a.220215.epkg.Z |
3.1.1.50 | IJ37504s5a.220215.epkg.Z |
3.1.2.10 | IJ37494s3a.220215.epkg.Z |
3.1.2.21 | IJ37494s3a.220215.epkg.Z |
3.1.3.10 | IJ37494s3a.220215.epkg.Z |
3.1.3.14 | IJ37494s3a.220215.epkg.Z |
openssl dgst -sha256 | filename |
3b356bb54233c6ebabeacde2930b6323b8d80d0088cb445912b3b802383f3b68 | IJ37403s1a.220215.epkg.Z |
b255d5f530a7901995cb365c8e95bd064f8384eb27396877fd7defd70e87635b | IJ37494s3a.220215.epkg.Z |
30f6523fde53aa9cdedc79649efc7cf169fd4fc624ec7d8b06a868a70865ff10 | IJ37504s5a.220215.epkg.Z |
c49e1c3eb91495574a5980029a819629f178fa52f9dcaadaca20fa84fa281a8e | IJ37508s9a.220215.epkg.Z |
Workarounds and Mitigations
None
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References
Change History
21 Feb 2022: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
04 March 2022
UID
ibm16561281