SB20230411109 - openEuler 22.03 LTS SP1 update for runc
Published: April 11, 2023
Breakdown by Severity
- 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.