RHSA-2021:4139 - Security Advisory

Topic

An update for resource-agents is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

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

Affected Products

• Red Hat Enterprise Linux High Availability for x86_64 8 x86_64
• Red Hat Enterprise Linux High Availability for ARM 64 8 aarch64
• Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support 8.8 x86_64
• Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 8 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support 8.8 x86_64
• Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support 8.6 x86_64
• Red Hat Enterprise Linux Resilient Storage for IBM z Systems 8 s390x
• Red Hat Enterprise Linux High Availability for IBM z Systems 8 s390x
• Red Hat Enterprise Linux Resilient Storage for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Update Support 8.8 ppc64le
• Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat Enterprise Linux High Availability for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux High Availability for Power, little endian - Extended Update Support 8.8 ppc64le
• Red Hat Enterprise Linux High Availability for Power, little endian - Extended Update Support 8.6 ppc64le
• Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 8.8 ppc64le
• Red Hat Enterprise Linux High Availability for Power LE - Update Services for SAP Solutions 8.6 ppc64le
• Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 8.8 x86_64
• Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions 8.6 x86_64
• Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support 8.8 s390x
• Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support 8.6 s390x
• Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support 8.8 aarch64
• Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support 8.6 aarch64
• Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support 8.8 s390x
• Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support 8.6 s390x
• Red Hat Enterprise Linux High Availability for x86_64 - Telecommunications Update Service 8.8 x86_64
• Red Hat Enterprise Linux High Availability for x86_64 - Telecommunications Update Service 8.6 x86_64

Fixes

• BZ - 1872754 - Add pgsqlms resource agent
• BZ - 1891883 - ethmonitor: fix to be able to use with vlan interfaces
• BZ - 1902045 - ocf:heartbeat:iface-vlan does not allow multiple vlans by interface nor multiple VLANs
• BZ - 1920698 - podman resource agent logs spurious failed resource actions
• BZ - 1922136 - CVE-2021-20270 python-pygments: Infinite loop in SML lexer may lead to DoS
• BZ - 1924363 - nfsserver: Failure to unmount /var/lib/nfs doesn't cause stop failure
• BZ - 1928238 - Support for other filesystems on top of crypt devices on RHEL HA (ext4/xfs)
• BZ - 1932863 - VirtualDomain: fix pid_status() on RHEL8
• BZ - 1934651 - DB2: promote fails with HADR state PRIMARY/REMOTE_CATCHUP_PENDING/CONNECTED
• BZ - 1939281 - aws-vpc-move-ip: Enable eni lookup for AWS shared networks via RAM [RHEL 8]
• BZ - 1939992 - awsvip: dont match similar IPs
• BZ - 1940094 - AWS agents: dont spam logs when getting token
• BZ - 1940603 - CVE-2021-27291 python-pygments: ReDoS in multiple lexers
• BZ - 1957765 - gcp-vpc-move-vip: add retries functionality to avoid failing on first failed request
• BZ - 1969968 - lvmlockd: Remove the option `with_cmirrord` since cmirror is incompatible with lvmlockd
• BZ - 1972035 - LVM-activate: Start operation always recreates drop-in file and runs systemctl daemon-reload
• BZ - 1972743 - resource agent bails out when podman fails to start container under heavy load

CVEs

• CVE-2021-20270
• CVE-2021-27291

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/