SB2021082618 - Multiple vulnerabilities in IBM VIOS



SB2021082618 - Multiple vulnerabilities in IBM VIOS

Published: August 26, 2021

Security Bulletin ID SB2021082618
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2021-29727)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in OS kernel. A local user can can run a specially crafted program to perform a denial of service (DoS) attack.


2) Security restrictions bypass (CVE-ID: CVE-2021-29801)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to system does not properly impose security restrictions in OS kernel. A local non-privileged user can execute arbitrary code with root privileges.


3) Input validation error (CVE-ID: CVE-2021-29862)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in OS kernel. A local user can run a specially crafted program and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.