Red Hat Security Advisory: corosync security update

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products102

• Red Hat Enterprise Linux AppStream (v. 9)
• Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
• Red Hat Enterprise Linux High Availability (v. 9)
• Red Hat Enterprise Linux Resilient Storage (v. 9)
• corosync-0:3.1.9-2.el9_6.aarch64 as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-0:3.1.9-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-0:3.1.9-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux Resilient Storage (v. 9)
• corosync-0:3.1.9-2.el9_6.s390x as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-0:3.1.9-2.el9_6.s390x as a component of Red Hat Enterprise Linux Resilient Storage (v. 9)
• corosync-0:3.1.9-2.el9_6.src as a component of Red Hat Enterprise Linux AppStream (v. 9)
• corosync-0:3.1.9-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-0:3.1.9-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux Resilient Storage (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.aarch64 as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.i686 as a component of Red Hat Enterprise Linux AppStream (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.i686 as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.i686 as a component of Red Hat Enterprise Linux Resilient Storage (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.ppc64le as a component of Red Hat Enterprise Linux Resilient Storage (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.s390x as a component of Red Hat Enterprise Linux AppStream (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.s390x as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.s390x as a component of Red Hat Enterprise Linux Resilient Storage (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux High Availability (v. 9)
• corosync-debuginfo-0:3.1.9-2.el9_6.x86_64 as a component of Red Hat Enterprise Linux Resilient Storage (v. 9)
• +72 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Workaround: To mitigate this vulnerability in RHEL, use pcs to ensure that the corosync configuration used in your cluster(s) has encryption enabled (verify that during setup the `--crypto` option's `cipher` and `hash` parameters are not set to `none`).

🔗 References (6)

• selfhttps://access.redhat.com/errata/RHSA-2025:7201
• externalhttps://docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/9.6_release_notes/index
• externalhttps://access.redhat.com/security/updates/classification/#moderate
• externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2354229
• externalhttps://issues.redhat.com/browse/RHEL-65699
• selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_7201.json