-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: RHV-H security update (redhat-virtualization-host) 4.3.19 Advisory ID: RHSA-2021:3943-01 Product: Red Hat Virtualization Advisory URL: https://access.redhat.com/errata/RHSA-2021:3943 Issue date: 2021-10-20 CVE Names: CVE-2021-22543 ==================================================================== 1. Summary: An update for redhat-release-virtualization-host and redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. 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. 2. Relevant releases/architectures: RHEL 7-based RHEV-H for RHEV 4 (build requirements) - noarch, x86_64 Red Hat Virtualization 4 Hypervisor for RHEL 7 - noarch 3. Description: The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. Security Fix(es): * kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543) 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. Bug Fix(es): * Red Hat Virtualization Host has been rebased on Red Hat Enterprise Linux 7.9 Batch #9. (BZ#2010171) 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/2974891 5. Bugs fixed (https://bugzilla.redhat.com/): 1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks 2010171 - Rebase RHV-H on RHEL 7.9 Batch 9 6. Package List: Red Hat Virtualization 4 Hypervisor for RHEL 7: Source: redhat-virtualization-host-4.3.19-20211013.0.el7_9.src.rpm noarch: redhat-virtualization-host-image-update-4.3.19-20211013.0.el7_9.noarch.rpm RHEL 7-based RHEV-H for RHEV 4 (build requirements): Source: redhat-release-virtualization-host-4.3.19-1.el7ev.src.rpm redhat-virtualization-host-4.3.19-20211013.0.el7_9.src.rpm noarch: redhat-virtualization-host-image-update-4.3.19-20211013.0.el7_9.noarch.rpm redhat-virtualization-host-image-update-placeholder-4.3.19-1.el7ev.noarch.rpm x86_64: redhat-release-virtualization-host-4.3.19-1.el7ev.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/ 7. References: https://access.redhat.com/security/cve/CVE-2021-22543 https://access.redhat.com/security/updates/classification/#moderate 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYW/nEdzjgjWX9erEAQh2Fw//S4lliQoioYgfGJ/iUoC9s0i9lSD0zhqr 1sWd6FSThij+4mfLQeBcmC018UfLlsy3osw8NxKp+NUzaM4njOClkeT0bG4SQXGD zqf7dBMQfaR5Is17GCYpxcYlxMqrzybGRHNIfWPDbgLnMttjCA4+mtEiaeARG6iW neDMbbKyqUkxl3sENfclC+Mzs6/iquF39NlcgR3aY8PtYj0uCDZ+T1sTTdCcknGK 6PRFbt788VZUK7CqTRNRJ3utdacPC1jFFpCR/8g69G6KaE/XNv8+6rPjfuP0mHfU 18fm8zXB/jNH6738FEznaym7Q2IcZOENF/3TkDiiu2ZjxZOl9CD60z1yg0Jgkp+h UchczykjLNbkVTQ4FVy+6KdAXUK+4Iv3q3+z2DxEVz2Vg6ozjHiqRgnK8T3PO/N1 sVgHLz6Mdlo5SYKUYQVOv6aWau/Xs19/GEWU0evUiVHv5+kZ6siDgwUxV2oP3ZI4 VblDHK4HullTpsQLSk+ezNQgtWSNDWled/Hz6oDSZQMejlHpt+zlMWlU8aAFYyl2 IvkS57dnfb9OUUQ5gRX0kx2L34bR+8nyFv8xvglxYaISaFnN3sM0hib5cM/D5LOa OxKSgc3uXNT0tCdGRAHLA3sDWFeKWel/zH86FjvKKzycpYjbeFffsObSXKdX8clm jD9Mpe/TYlAÜMz -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce