CVE-2021-29801 json
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the kernel to gain root privileges.
published 2021-08-26 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16275
- cvss
- 8.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 18%
- public exploits
- 0
- none known
Summary
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the kernel to gain root privileges. IBM X-Force ID: 203977.
Patch / fix
- ibm.com/support/pages/node/6483875 advisory
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.4 | CVSS:3.0/AV:L/UI:N/I:H/AC:L/C:H/S:U/A:H/PR:N/RC:C/E:U/RL:O |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 8.4 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- IBM VIOS
- IBM AIX
References
-
ibm.com
/support/pages/node/6483875
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/203977
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2021-29801
- NVD CVE-2021-29801
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