CVE-2021-38991
First published: Mon Jan 10 2022(Updated: )
IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.
Credit: psirt@us.ibm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM VIOS | =3.1 | |
| IBM AIX | =7.0 | |
| IBM AIX | =7.1 | |
| IBM AIX | =7.2 | |
| <=7.1 | ||
| <=7.2 | ||
| <=7.3 | ||
| <=3.1 |
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Reference Links
Frequently Asked Questions
What is CVE-2021-38991?
CVE-2021-38991 is a vulnerability in IBM AIX and VIOS that allows a non-privileged local user to exploit the lscore command and execute code.
Which versions of IBM AIX and VIOS are affected by CVE-2021-38991?
IBM AIX versions 7.0, 7.1, 7.2, and VIOS version 3.1 are affected by CVE-2021-38991.
What is the severity level of CVE-2021-38991?
The severity level of CVE-2021-38991 is high, with a CVSS score of 8.4.
How can a non-privileged local user exploit CVE-2021-38991?
A non-privileged local user can exploit CVE-2021-38991 by using the lscore command to execute arbitrary code.
Where can I find more information about CVE-2021-38991?
You can find more information about CVE-2021-38991 on the IBM X-Force ID: 212953 page and the IBM support page.
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