SB2021032224 - Code execution in Linux kernel

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Main Vulnerability Database SB2021032224

SB2021032224 - Code execution in Linux kernel

Published: March 22, 2021 Updated: September 22, 2021

Security Bulletin ID SB2021032224
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2021-28972)

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the drivers/pci/hotplug/rpadlpar_sysfs.c. A local administrator can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References