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Red Hat Enterprise Linux 8: RHSA-2021-4139 Moderate Resource Agents Bug Fix

red hat
Calendar Grey November 9, 2021
Dist Redhat Esm H88
A cautious security notice has been issued for Red Hat Enterprise Linux 8 concerning resource agents, highlighting essential updates and improvements.
An update for resource-agents is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The resource-agents packages provide the Pacemaker and RGManager service managers with a set of scripts. These scripts interface with several services to allow operating in a high-availability (HA) environment.
Security Fix(es):
* python-pygments: Infinite loop in SML lexer may lead to DoS (CVE-2021-20270)
* python-pygments: ReDoS in multiple lexers (CVE-2021-27291)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.5 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory DoS issue security fix Red Hat Enterprise Linux moderate severity resource agents

References

https://access.redhat.com/security/cve/CVE-2021-20270 https://access.redhat.com/security/cve/CVE-2021-27291 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.5_release_notes/index

Package List

Red Hat Enterprise Linux HighAvailability (v. 8):
Source: resource-agents-4.1.1-98.el8.src.rpm
aarch64: resource-agents-4.1.1-98.el8.aarch64.rpm resource-agents-debuginfo-4.1.1-98.el8.aarch64.rpm resource-agents-debugsource-4.1.1-98.el8.aarch64.rpm resource-agents-paf-4.1.1-98.el8.aarch64.rpm
ppc64le: resource-agents-4.1.1-98.el8.ppc64le.rpm resource-agents-debuginfo-4.1.1-98.el8.ppc64le.rpm resource-agents-debugsource-4.1.1-98.el8.ppc64le.rpm resource-agents-paf-4.1.1-98.el8.ppc64le.rpm
s390x: resource-agents-4.1.1-98.el8.s390x.rpm resource-agents-debuginfo-4.1.1-98.el8.s390x.rpm resource-agents-debugsource-4.1.1-98.el8.s390x.rpm resource-agents-paf-4.1.1-98.el8.s390x.rpm
x86_64: resource-agents-4.1.1-98.el8.x86_64.rpm resource-agents-aliyun-4.1.1-98.el8.x86_64.rpm resource-agents-aliyun-debuginfo-4.1.1-98.el8.x86_64.rpm resource-agents-debuginfo-4.1.1-98.el8.x86_64.rpm resource-agents-debugsource-4.1.1-98.el8.x86_64.rpm resource-agents-gcp-4.1.1-98.el8.x86_64.rpm resource-agents-paf-4.1.1-98.el8.x86_64.rpm
Red Hat Enterprise Linux ResilientStorage (v. 8):
Source: resource-agents-4.1.1-98.el8.src.rpm
ppc64le: resource-agents-4.1.1-98.el8.ppc64le.rpm resource-agents-debuginfo-4.1.1-98.el8.ppc64le.rpm resource-agents-debugsource-4.1.1-98.el8.ppc64le.rpm

Read the Full Advisory


Advisory ID: RHSA-2021:4139-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4139
Issue date: 2021-11-09

Topic

An update for resource-agents is now available for Red Hat Enterprise Linux8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory DoS issue security fix Red Hat Enterprise Linux moderate severity resource agents

Relevant Releases Architectures

Red Hat Enterprise Linux HighAvailability (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux ResilientStorage (v. 8) - ppc64le, s390x, x86_64

Bugs Fixed

1872754 - Add pgsqlms resource agent

1891883 - ethmonitor: fix to be able to use with vlan interfaces

1902045 - ocf:heartbeat:iface-vlan does not allow multiple vlans by interface nor multiple VLANs

1920698 - podman resource agent logs spurious failed resource actions

1922136 - CVE-2021-20270 python-pygments: Infinite loop in SML lexer may lead to DoS

1924363 - nfsserver: Failure to unmount /var/lib/nfs doesn't cause stop failure

1928238 - Support for other filesystems on top of crypt devices on RHEL HA (ext4/xfs)

1932863 - VirtualDomain: fix pid_status() on RHEL8

1934651 - DB2: promote fails with HADR state PRIMARY/REMOTE_CATCHUP_PENDING/CONNECTED

1939281 - aws-vpc-move-ip: Enable eni lookup for AWS shared networks via RAM [RHEL 8]

1939992 - awsvip: dont match similar IPs

1940094 - AWS agents: dont spam logs when getting token

1940603 - CVE-2021-27291 python-pygments: ReDoS in multiple lexers1957765 - gcp-vpc-move-vip: add retries functionality to avoid failing on first failed request

1969968 - lvmlockd: Remove the option `with_cmirrord` since cmirror is incompatible with lvmlockd

1972035 - LVM-activate: Start operation always recreates drop-in file and runs systemctl daemon-reload

1972743 - resource agent bails out when podman fails to start container under heavy load

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