RHSA-2025:7478MediumCVSS 6.6

Red Hat Security Advisory: corosync security update

Published
May 13, 2025
Last Modified
August 6, 2026

🔗 CVE IDs covered (1)

CVE-2025-30472 →

📋 Description

CVE-2025-30472 — corosync: Stack buffer overflow from 'orf_token_endian_convert'

🎯 Affected products68

  • Red Hat Enterprise Linux AppStream (v. 10)
  • Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-0:3.1.9-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-0:3.1.9-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-0:3.1.9-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-0:3.1.9-1.el10_0.1.src as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-0:3.1.9-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • corosync-debuginfo-0:3.1.9-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.aarch64 as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.ppc64le as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux CodeReady Linux Builder (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.s390x as a component of Red Hat Enterprise Linux High Availability (v. 10)
  • corosync-debugsource-0:3.1.9-1.el10_0.1.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 10)
  • +38 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 (4)