Use-After-Free in libxml2
CVE: CVE-2024-56171
Component: libxml2
CWE: CWE-416
Severity: Important
CVSS v3: 8.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Release date: 2024-01-01T00:00:00+00:00

A flaw was found in libxml2. This vulnerability allows a use-after-free via a crafted XML document validated against an XML schema with certain identity constraints or a crafted XML schema.

Statement: This vulnerability is rated as important because it involves a use-after-free flaw in the xmlSchemaIDCFillNodeTables and xmlSchemaBubbleIDCNodeTables functions. A maliciously crafted XML document or schema, containing specific identity constraints, can be used to trigger this vulnerability and potentially gain unauthorized access or cause a denial-of-service condition.

Remediation:
For OpenShift Container Platform 4.12 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/4.12/html/release_notes

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

      The sha value for the release are as follows:

      (For x86_64 architecture)
      The image digest is sha256:24c2ea09853e520e47bdd03e5fc9b865f0a8bac7a38aad458e9785fe0f7546ac

All OpenShift Container Platform 4.12 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.openshift.com/container-platform/4.12/updating/updating-cluster-cli.html
For OpenShift Container Platform 4.13 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/4.13/html/release_notes

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

      The sha value for the release is as follows:

      (For x86_64 architecture)
      The image digest is sha256:1b45fabb8dc896cdf904ee6f0b88bc47f0f570ab46fe796b2da9ccd4948971f3

All OpenShift Container Platform 4.13 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/4.13/html-single/updating_clusters/index#updating-cluster-within-minor.
For OpenShift Container Platform 4.14 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/4.14/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:a5fd4971417fc924f0f5196c104298096c835d8dc359c444cfbb028dc221889d

      (For s390x architecture)
      The image digest is sha256:f43be2693dbf9228067bb8174194214840b0665132b8b9e7d73cf06bb1ee25f2

      (For ppc64le architecture)
      The image digest is sha256:957d912dfe5cbf1e8cdf397929ecf58c15b12ca2bd07bb0a5d78c62b82245254

      (For aarch64 architecture)
      The image digest is sha256:ce0bf7f226a29f8ca4dee52c2f95f4f92722eb6f59ce6a495b970d13ddb86bfd

All OpenShift Container Platform 4.14 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/4.14/html-single/updating_clusters/index#updating-cluster-cli.
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 sha256:7492583774d8ae5ef7bcf7edf83630b4593f7c6a52c442cd135e4479c995ecc5

      (For s390x architecture)
      The image digest is sha256:6fea30f4edca482e79f8c38077c6ab7c8de521103dd66de00a245696a8cbb46e

      (For ppc64le architecture)
      The image digest is sha256:215af95787ff0c4184769f3380bf6d7d8406a6989cbc8a03206c3e8d7bbe4dbf

      (For aarch64 architecture)
      The image digest is sha256:5bd455e3be160f7cd1c0c7988a4c0e52a83238a9434e727a92bc81d59efd7be7

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.
For OpenShift Container Platform 4.16 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/4.16/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 sha256:6da09834a9e0e30a79f77c13c2520a25172d8be3fc044dc2ad1392d69b2edfbf

      (For s390x architecture)
      The image digest is sha256:bcd96f1db1a6dcf6f7185d5410d9d665fb72545b1094c5d4e5696e08c10e0adf

      (For ppc64le architecture)
      The image digest is sha256:30f50074efde956337703e02c05a8a47854a669745178684ab9e18ca38173278

      (For aarch64 architecture)
      The image digest is sha256:0b83c98681f690f8c45c0f13002c251b925023da9416bf3106f9e9aeeec810ef

All OpenShift Container Platform 4.16 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/4.16/html-single/updating_clusters/index#updating-cluster-cli.
For OpenShift Container Platform 4.17 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/4.17/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 sha256:11be35de1e402b34a4fcbefcb8497f8c4d75d5c5269bcfc0781ccda7416e89b7

      (For s390x architecture)
      The image digest is sha256:4b96f6ab4fb66b0f2fe9a32611916d73e13ad0cefc88266052bcbbc756e8292a

      (For ppc64le architecture)
      The image digest is sha256:07383dce69acbb68a18b2a4bdbaf0e27365d2bb82fe7b71d4a3fa11af922dc45

      (For aarch64 architecture)
      The image digest is sha256:d1c86951a2ea1084c6da2e8bac72943d689e631114e5dfdc821f55d0a01c24a1

All OpenShift Container Platform 4.17 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/4.17/html-single/updating_clusters/index#updating-cluster-cli.
For OpenShift Container Platform 4.18 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/4.18/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 sha256:61fdad894f035a8b192647c224faf565279518255bdbf60a91db4ee0479adaa6

      (For s390x architecture)
      The image digest is sha256:d23d9606b041cab5a558d7256d1e942ec46e8a95b1d2e78a1639745b51a1935f

      (For ppc64le architecture)
      The image digest is sha256:ac80b3f4836157b3a240180b52df9b4796bfc16b4e869ef03d8901de21b6dba0

      (For aarch64 architecture)
      The image digest is sha256:d1dc7362306233369356bdcbe365e3e39e494f65bfe1c805c9c41eafa43c143a

All OpenShift Container Platform 4.18 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/4.18/html-single/updating_clusters/index#updating-cluster-cli.
Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258
Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258
Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258
For Red Hat OpenShift AI 2.16.0 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 errata update:
https://docs.redhat.com/en/documentation/red_hat_openshift_ai/
For Red Hat OpenShift AI 2.16.0 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 errata update:
https://docs.redhat.com/en/documentation/red_hat_openshift_ai/
For details on how to apply this update, refer to:
https://docs.redhat.com/en/documentation/openshift_container_platform/latest/html/operators/administrator-tasks#olm-upgrading-operators