SUSE-SU-2022:2310-1 Security update for s390-tools

Not scored Published

An attacker can bypass Secure Boot protections on SUSE s390 systems by exploiting a vulnerability in the bootloader keys.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is SUSE-SU-2022:2310-1?

SUSE-SU-2022:2310-1 is a vulnerability in s390-tools, published on 6 Jul 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This update of s390-tools fixes the following issue:

  • rebuild with new secure boot key due to grub2 boothole 3 issues (bsc#1198581)

Which versions are affected by SUSE-SU-2022:2310-1?

Linux distribution packages (4)
s390-tools SUSE:Linux Enterprise Micro 5.1All versions2.15.1-150300.8.24.1
s390-tools SUSE:Linux Enterprise Micro 5.2All versions2.15.1-150300.8.24.1
s390-tools SUSE:Linux Enterprise Module for Basesystem 15 SP3All versions2.15.1-150300.8.24.1
s390-tools openSUSE:Leap 15.3All versions2.15.1-150300.8.24.1

How do I fix SUSE-SU-2022:2310-1?

Apply the vendor's patch.

Is SUSE-SU-2022:2310-1 being exploited?

There is no known exploitation of SUSE-SU-2022:2310-1 in the wild and no public exploit code.

Sources

Is SUSE-SU-2022:2310-1 in your software?

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