SB2021082618 - Multiple vulnerabilities in IBM VIOS
Published: August 26, 2021
Breakdown by Severity
- 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.