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ALSA-2022:5263 Not scored

Moderate: qemu-kvm security and bug fix update

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: virtio-net: map leaking on error during receive (CVE-2022-26353) * QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak (CVE-2022-26354) 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): * AlmaLinux 9.0 guest with vsock device migration failed from AlmaLinux 9.0 > AlmaLinux 8.6 (BZ#2071102)

Exploit probability Not scored
Published July 1, 2022
Required by Not available
Last source change February 4, 2026

02 / AFFECTED SOFTWARE

Affected packages

AlmaLinux:9 qemu-guest-agent
AlmaLinux:9 qemu-img
AlmaLinux:9 qemu-kvm
AlmaLinux:9 qemu-kvm-audio-pa
AlmaLinux:9 qemu-kvm-block-curl
AlmaLinux:9 qemu-kvm-block-rbd
AlmaLinux:9 qemu-kvm-common
AlmaLinux:9 qemu-kvm-core
AlmaLinux:9 qemu-kvm-device-display-virtio-gpu
AlmaLinux:9 qemu-kvm-device-display-virtio-gpu-ccw
AlmaLinux:9 qemu-kvm-device-display-virtio-gpu-gl
AlmaLinux:9 qemu-kvm-device-display-virtio-gpu-pci
AlmaLinux:9 qemu-kvm-device-display-virtio-gpu-pci-gl
AlmaLinux:9 qemu-kvm-device-display-virtio-vga
AlmaLinux:9 qemu-kvm-device-display-virtio-vga-gl
AlmaLinux:9 qemu-kvm-device-usb-host
AlmaLinux:9 qemu-kvm-device-usb-redirect
AlmaLinux:9 qemu-kvm-docs
AlmaLinux:9 qemu-kvm-tools
AlmaLinux:9 qemu-kvm-ui-egl-headless
AlmaLinux:9 qemu-kvm-ui-opengl
AlmaLinux:9 qemu-pr-helper

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities ALSA-2022:5263

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: virtio-net: map leaking on error during receive (CVE-2022-26353) * QEMU: vhost-vsock: missing virtqueue detach on error can lead to memory leak (CVE-2022-26354) 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): * AlmaLinux 9.0 guest with vsock device migration failed from AlmaLinux 9.0 > AlmaLinux 8.6 (BZ#2071102)

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05 / REFERENCES

Further evidence