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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: qemu-kvm security and bug fix update
Advisory ID:       RHSA-2023:5094-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:5094
Issue date:        2023-09-12
CVE Names:         CVE-2023-3354 
=====================================================================

1. Summary:

An update for qemu-kvm is now available for Red Hat Enterprise Linux 9.

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

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

Kernel-based Virtual Machine (KVM) is a full virtualization solution for
Linux on a variety of architectures. The qemu-kvm packages provide the
user-space component for running virtual machines that use KVM.

Security Fix(es):

* QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote
unauthenticated denial of service (CVE-2023-3354)

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):

* [qemu-kvm] rhel guest failed boot with multi disks on error Failed to
start udev Wait for Complete Device Initialization (BZ#2211923)

* [rhel9.2] hotplug/hotunplug mlx vdpa device to the occupied addr port,
then qemu core dump occurs after shutdown guest (BZ#2227721)

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/11258

After installing this update, shut down all running virtual machines. Once
all virtual machines have shut down, start them again for this update to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

2211923 - [qemu-kvm] rhel guest failed boot with multi disks on error Failed to start udev Wait for Complete Device Initialization [rhel-9.2.0.z]
2216478 - CVE-2023-3354 QEMU: VNC: improper I/O watch removal in TLS handshake can lead to remote unauthenticated denial of service
2227721 - [rhel9.2] hotplug/hotunplug mlx vdpa device to the occupied addr port, then qemu core dump occurs after shutdown guest [rhel-9.2.0.z]

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
qemu-kvm-7.2.0-14.el9_2.5.src.rpm

aarch64:
qemu-guest-agent-7.2.0-14.el9_2.5.aarch64.rpm
qemu-guest-agent-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-img-7.2.0-14.el9_2.5.aarch64.rpm
qemu-img-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-audio-pa-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-audio-pa-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-block-curl-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-block-curl-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-block-rbd-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-block-rbd-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-common-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-common-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-core-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-core-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-debugsource-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-device-display-virtio-gpu-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-device-display-virtio-gpu-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-device-display-virtio-gpu-pci-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-device-display-virtio-gpu-pci-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-device-usb-host-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-device-usb-host-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-docs-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-tests-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-tools-7.2.0-14.el9_2.5.aarch64.rpm
qemu-kvm-tools-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm
qemu-pr-helper-7.2.0-14.el9_2.5.aarch64.rpm
qemu-pr-helper-debuginfo-7.2.0-14.el9_2.5.aarch64.rpm

ppc64le:
qemu-guest-agent-7.2.0-14.el9_2.5.ppc64le.rpm
qemu-guest-agent-debuginfo-7.2.0-14.el9_2.5.ppc64le.rpm
qemu-img-7.2.0-14.el9_2.5.ppc64le.rpm
qemu-img-debuginfo-7.2.0-14.el9_2.5.ppc64le.rpm
qemu-kvm-debuginfo-7.2.0-14.el9_2.5.ppc64le.rpm
qemu-kvm-debugsource-7.2.0-14.el9_2.5.ppc64le.rpm

s390x:
qemu-guest-agent-7.2.0-14.el9_2.5.s390x.rpm
qemu-guest-agent-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-img-7.2.0-14.el9_2.5.s390x.rpm
qemu-img-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-audio-pa-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-audio-pa-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-block-curl-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-block-curl-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-block-rbd-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-block-rbd-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-common-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-common-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-core-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-core-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-debugsource-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-device-display-virtio-gpu-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-device-display-virtio-gpu-ccw-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-device-display-virtio-gpu-ccw-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-device-display-virtio-gpu-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-device-usb-host-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-device-usb-host-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-docs-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-tests-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-tools-7.2.0-14.el9_2.5.s390x.rpm
qemu-kvm-tools-debuginfo-7.2.0-14.el9_2.5.s390x.rpm
qemu-pr-helper-7.2.0-14.el9_2.5.s390x.rpm
qemu-pr-helper-debuginfo-7.2.0-14.el9_2.5.s390x.rpm

x86_64:
qemu-guest-agent-7.2.0-14.el9_2.5.x86_64.rpm
qemu-guest-agent-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-img-7.2.0-14.el9_2.5.x86_64.rpm
qemu-img-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-audio-pa-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-audio-pa-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-block-curl-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-block-curl-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-block-rbd-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-block-rbd-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-common-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-common-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-core-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-core-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-debugsource-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-display-virtio-gpu-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-display-virtio-gpu-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-display-virtio-gpu-pci-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-display-virtio-gpu-pci-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-display-virtio-vga-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-display-virtio-vga-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-usb-host-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-usb-host-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-usb-redirect-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-device-usb-redirect-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-docs-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-tests-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-tools-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-tools-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-ui-egl-headless-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-ui-egl-headless-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-ui-opengl-7.2.0-14.el9_2.5.x86_64.rpm
qemu-kvm-ui-opengl-debuginfo-7.2.0-14.el9_2.5.x86_64.rpm
qemu-pr-helper-7.2.0-14.el9_2.5.x86_64.rpm
qemu-pr-helper-debuginfo-7.2.0-14.el9_2.5.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-2023-3354
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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