ALBA-2021:1088 pacemaker bug fix and enhancement update

Not scored Published

Pacemaker updates fix bugs causing invalid XML generation and bundle promotion issues, potentially affecting cluster availability.

Exploited in the wild
Not known
Login needed
Not stated
Attackable
Not stated
Victim action needed
Not stated
Fix
Available

What is ALBA-2021:1088?

ALBA-2021:1088 is a vulnerability in pacemaker, published on 6 Apr 2021.

Official description

The Pacemaker cluster resource manager is a collection of technologies working together to maintain data integrity and application availability in the event of failures.

Bug Fix(es) and Enhancement(s):

  • pacemaker never promotes a bundle until another transition unblocks it (BZ#1935240)

  • pacemaker generates invalid xml for certain failures (BZ#1939533)

Which versions are affected by ALBA-2021:1088?

Linux distribution packages (7)
pacemaker AlmaLinux:8All versions2.0.4-6.el8_3.2
pacemaker-cli AlmaLinux:8All versions2.0.4-6.el8_3.2
pacemaker-cts AlmaLinux:8All versions2.0.4-6.el8_3.2
pacemaker-doc AlmaLinux:8All versions2.0.4-6.el8_3.2
pacemaker-libs-devel AlmaLinux:8All versions2.0.4-6.el8_3.2
pacemaker-nagios-plugins-metadata AlmaLinux:8All versions2.0.4-6.el8_3.2
pacemaker-remote AlmaLinux:8All versions2.0.4-6.el8_3.2

How do I fix ALBA-2021:1088?

Apply the vendor's patch.

Is ALBA-2021:1088 being exploited?

There is no known exploitation of ALBA-2021:1088 in the wild and no public exploit code.

Sources

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