SB20230411109 - openEuler 22.03 LTS SP1 update for runc



SB20230411109 - openEuler 22.03 LTS SP1 update for runc

Published: April 11, 2023

Security Bulletin ID SB20230411109
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Improper Preservation of Permissions (CVE-ID: CVE-2023-25809)

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to the rootless "/sys/fs/cgroup" is writable when cgroupns is not unshared. A local administrator can gain the write access to user-owned cgroup hierarchy "/sys/fs/cgroup/user.slice/..." on the host.


2) Improper Preservation of Permissions (CVE-ID: CVE-2023-28642)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper preservation of permissions in the AppArmor and SELinux when /proc inside the container is symlinked with a specific mount configuration. A remote attacker can gain access to the target application.


Remediation

Install update from vendor's website.