Red Hat Product Errata RHSA-2026:95755 - Security Advisory
Issued:
2026-11-11
Updated:
2026-11-11

RHSA-2026:95755 - Security Advisory

Synopsis

Critical: OpenShift Container Platform 4.15.71 bug fix and security update

Type/Severity

Security Advisory: Critical

Topic

Red Hat OpenShift Container Platform release 4.15.71 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.15.

Red Hat Product Security has rated this update as having a security impact of Critical. 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

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

This advisory contains the container images for Red Hat OpenShift Container Platform 4.15.71. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHSA-2026:95754

Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/release_notes/

Security Fix(es):

  • sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export (CVE-2026-16313)
  • kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114)
  • kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing (CVE-2026-64564)
  • pcre2: PCRE2: Out-of-bounds write allows arbitrary code execution via crafted regular expressions (CVE-2026-86145)
  • pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match (CVE-2026-89161)
  • pcre2: pcre2: Out-of-bounds write via crafted regular expression (CVE-2026-103111)
  • setuptools: Path Traversal Vulnerability in setuptools PackageIndex (CVE-2025-47273)
  • gnutls: gnutls: Security bypass due to incorrect name constraint handling (CVE-2026-42011)
  • gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name (CVE-2026-42013)
  • kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period (CVE-2026-98432)

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.

All OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli.

Solution

For OpenShift Container Platform 4.15 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html/release_notes/

You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are as follows:

(For x86_64 architecture)
The image digest is sha256:f38b4b30160584e04166a69480438f34538cb8ad2dbc2db5a0efb0fa34e99af0

(For s390x architecture)
The image digest is sha256:9a82abfd20b4a0186cf145e06e93384148965cd6dfa26c03ca7345a7f93b74da

(For ppc64le architecture)
The image digest is sha256:91ffe8aae3a77385414d59688108ce407ea1830fe62e614d150b777414850aab

(For aarch64 architecture)
The image digest is sha256:30be43aad83a65ed696199caec931c70fe0572b2b977f7fe77069cb57b26d56f

All OpenShift Container Platform 4.15 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.15/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

  • Red Hat OpenShift Container Platform 4.15 for RHEL 9 x86_64
  • Red Hat OpenShift Container Platform 4.15 for RHEL 8 x86_64
  • Red Hat OpenShift Container Platform for Power 4.15 for RHEL 9 ppc64le
  • Red Hat OpenShift Container Platform for Power 4.15 for RHEL 8 ppc64le
  • Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.15 for RHEL 9 s390x
  • Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.15 for RHEL 8 s390x
  • Red Hat OpenShift Container Platform for ARM 64 4.15 for RHEL 9 aarch64
  • Red Hat OpenShift Container Platform for ARM 64 4.15 for RHEL 8 aarch64

Fixes

  • BZ - 2366982 - CVE-2025-47273 setuptools: Path Traversal Vulnerability in setuptools PackageIndex
  • BZ - 2466994 - CVE-2026-43114 kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
  • BZ - 2467437 - CVE-2026-42011 gnutls: gnutls: Security bypass due to incorrect name constraint handling
  • BZ - 2467448 - CVE-2026-42013 gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name
  • BZ - 2502845 - CVE-2026-16313 sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export
  • BZ - 2510890 - CVE-2026-64564 kernel: sctp: don't free the ASCONF's own transport in DEL-IP processing
  • BZ - 2528993 - CVE-2026-86145 pcre2: PCRE2: Out-of-bounds write allows arbitrary code execution via crafted regular expressions
  • BZ - 2531747 - CVE-2026-89161 pcre2: PCRE2: Memory corruption vulnerability in pcre2_jit_match
  • BZ - 2543797 - CVE-2026-103111 pcre2: pcre2: Out-of-bounds write via crafted regular expression
  • BZ - 2553390 - CVE-2026-98432 kernel: ipv4: free inet_opt and ireq_opt after an RCU grace period

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.