SB2022052606 - Ubuntu update for linux 

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Main Vulnerability Database SB2022052606

SB2022052606 - Ubuntu update for linux

Published: May 26, 2022

Security Bulletin ID SB2022052606
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) Improper update of reference count (CVE-ID: CVE-2022-29581)

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

The vulnerability exists due to improper update of reference count in net/sched in Linux kernel. A local user can execute arbitrary code with root privileges.


2) Incorrect default permissions (CVE-ID: CVE-2022-30594)

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

The vulnerability exists due to mishandling seccomp permissions. A local user can bypass intended restrictions on setting the PT_SUSPEND_SECCOMP flag and escalate privileges on the system.


Remediation

Install update from vendor's website.

References