Security Bulletin
Summary
There are multiple vulnerabilities in the AIX kernel.
Update 2: Wed Sep 1 16:11:34 CDT 2021
Update: Additional iFixes are now available.
Additional iFixes are now available for:
AIX 7100-05-06 and 7100-05-07
AIX 7200-03-05 and 7200-03-06
AIX 7200-04-02 and 7200-04-03
AIX 7200-05-01
VIOS 3.1.0.40 and 3.1.0.50
VIOS 3.1.1.25 and 3.1.1.30
VIOS 3.1.2.10
Updated: Fri Aug 27 08:31:32 CDT 2021
Update: Corrected the AIX 7.1 TL5 affected fileset levels. The upper affected fileset level for AIX 7.1 TL5 is bos.mp64 7.1.5.42.
Vulnerability Details
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/206086 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)
CVEID: CVE-2021-29727
DESCRIPTION: IBM AIX could allow a 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/201106 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)
CVEID: CVE-2021-29801
DESCRIPTION: IBM AIX could allow a non-privileged local user to exploit a vulnerability in the kernel to gain root privileges.
CVSS Base score: 8.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/203977 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
Affected Product(s) | Version(s) |
AIX | 7.1 |
AIX | 7.2 |
VIOS | 3.1 |
The vulnerabilities in the following filesets are being addressed:
Fileset | Lower Level | Upper Level |
bos.mp64 | 7.1.5.0 | 7.1.5.42 |
bos.mp64 | 7.2.3.0 | 7.2.3.21 |
bos.mp64 | 7.2.4.0 | 7.2.4.8 |
bos.mp64 | 7.2.5.0 | 7.2.5.3 |
To find out whether the affected filesets are installed on your systems, refer to the lslpp command found in AIX user's guide.
Remediation/Fixes
AIX Level | APAR | SP |
7.1.5 | IJ33318 | SP09 |
7.2.3 | IJ32629 | N/A |
7.2.4 | IJ32630 | SP05 |
7.2.5 | IJ32415 | SP03 |
VIOS Level | APAR | SP |
3.1.0 | IJ32629 | N/A |
3.1.1 | IJ32630 | 3.1.1.50 |
3.1.2 | IJ32631 | 3.1.2.30 |
Subscribe to the APARs here:
AIX Level | Interim Fix |
7.1.5.6 | IJ33318m6a.210816.epkg.Z |
7.1.5.7 | IJ33318m7a.210813.epkg.Z |
7.1.5.8 | IJ33318m8a.210813.epkg.Z |
7.2.3.5 | IJ32629m5a.210805.epkg.Z |
7.2.3.6 | IJ32629m6a.210805.epkg.Z |
7.2.3.7 | IJ32629s7a.210805.epkg.Z |
7.2.4.2 | IJ32630m2e.210901.epkg.Z |
7.2.4.2 | IJ32630m2f.210901.epkg.Z |
7.2.4.3 | IJ32630m3b.210901.epkg.Z |
7.2.4.4 | IJ32630s4a.210813.epkg.Z |
7.2.5.1 | IJ32631m1a.210805.epkg.Z |
7.2.5.2 | IJ32631s2a.210805.epkg.Z |
IJ32630m2e is for AIX 7200-04-02 with bos.mp64 fileset level 7.2.4.6.
IJ32630m2f is for AIX 7200-04-02 with bos.mp64 fileset level 7.2.4.4.
VIOS Level | Interim Fix |
3.1.0.40 | IJ32629m5a.210805.epkg.Z |
3.1.0.50 | IJ32629m6a.210805.epkg.Z |
3.1.0.60 | IJ32629s7a.210805.epkg.Z |
3.1.1.21 | IJ32630m2f.210901.epkg.Z |
3.1.1.25 | IJ32630m2e.210901.epkg.Z |
3.1.1.30 | IJ32630m3b.210901.epkg.Z |
3.1.1.40 | IJ32630s4a.210813.epkg.Z |
3.1.2.10 | IJ32631m1a.210805.epkg.Z |
3.1.2.21 | IJ32631s2a.210805.epkg.Z |
openssl dgst -sha256 | filename |
dccf7e96800c47b042d707aa27cf9a02c5ede3ed0de9f9c264d1438bb37a9a03 | IJ32629m5a.210805.epkg.Z |
45304b30684c3ba59a1106cc70ad1fcb0542cc5108bfc97ace4826ab34f8d7ad | IJ32629m6a.210805.epkg.Z |
9dee72202fc0211874b76660e3571c3ff6ffbe811682903af9e95038a47d0552 | IJ32629s7a.210805.epkg.Z |
900ffced3671f25b60351e7fd7bee8282d66a89abd6826ae9d1aa5bb295f8452 | IJ32630m2e.210901.epkg.Z |
579d8d5d6c5550dc410b9b189bdaaa5d356a435e1466d69add10c992065da611 | IJ32630m2f.210901.epkg.Z |
4c23de46e121caddec42ef4c5f98d3a058c749d7624305dde817ec45874040cc | IJ32630m3b.210901.epkg.Z |
5c24ca516cc0e14a297020473b5311deaff56a7eb3519ee887d3a4accc719c20 | IJ32630s4a.210813.epkg.Z |
191c759367ddf5c4b7318eb4171fe222194e6b88f78f6abede81de6370761522 | IJ32631m1a.210805.epkg.Z |
bbaef236cc66ff140ac2301ec59fffea003570efeb764ac44db3101c394b6838 | IJ32631s2a.210805.epkg.Z |
af04022a969f8f0415be13c74524e6112e985686456d1565502af2e68230364b | IJ33318m6a.210816.epkg.Z |
0f183f42aad6720559a1efa7e1de8534a9889fc1cc8c1cc4b8e03ebf9bbf146a | IJ33318m7a.210813.epkg.Z |
e0e80a9ca47382f11d0d9cde04fe305492cf4c5c772f345a1413013de5095446 | IJ33318m8a.210813.epkg.Z |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
Update 2: Wed Sep 1 16:11:34 CDT 2021
Update: Additional iFixes are now available.
Additional iFixes are now available for:
AIX 7100-05-06 and 7100-05-07
AIX 7200-03-05 and 7200-03-06
AIX 7200-04-02 and 7200-04-03
AIX 7200-05-01
VIOS 3.1.0.40 and 3.1.0.50
VIOS 3.1.1.25 and 3.1.1.30
VIOS 3.1.2.10
Updated: Fri Aug 27 08:31:32 CDT 2021
Update: Corrected the AIX 7.1 TL5 affected fileset levels. The upper affected fileset level for AIX 7.1 TL5 is bos.mp64 7.1.5.42.
24 Aug 2021: 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 November 2021
UID
ibm16483875