PT-2021-18483 · Ibm · Vios+1

Published 2021-08-25 · Updated 2021-09-07 · CVE-2021-29801

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions IBM AIX versions 7.1 through 7.2 VIOS version 3.1

Description A non-privileged local user could exploit a vulnerability in the kernel to gain root privileges. This issue could also cause a denial of service.

Recommendations For IBM AIX versions 7.1 through 7.2, update to a version that includes the fix for this issue. For VIOS version 3.1, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the kernel to minimize the risk of exploitation.

Fix

Related Identifiers

CVE-2021-29801

Affected Products

Ibm Aix

Vios

References · 7

• https://exchange.xforce.ibmcloud.com/vulnerabilities/203977 · Vendor Advisory
• https://ibm.com/support/pages/node/6483875 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29801 · Security Note
• https://osv.dev/vulnerability/CVE-2021-29801 · Vendor Advisory
• https://t.me/cibsecurity/27935 · Telegram Post
• https://aix.software.ibm.com/aix/efixes/security/kernel_advisory2.asc · Note
• https://t.me/cvenotify/20212 · Telegram Post