SB2022090159 - Ubuntu update for linux-aws 

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Main Vulnerability Database SB2022090159

SB2022090159 - Ubuntu update for linux-aws

Published: September 1, 2022

Security Bulletin ID SB2022090159
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2021-33061)

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

The vulnerability exists due to insufficient control flow management. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.


2) Out-of-bounds write (CVE-ID: CVE-2021-33656)

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

The vulnerability exists due to a boundary error when setting font with malicous data by ioctl cmd PIO_FONT. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References