Summary
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-kvm: Heap buffer overflow in virtio-blk SCSI request handling (CVE-2026-48914)
Bug Fix(es) and Enhancement(s):
* qemu-kvm hung during drain after double pause [almalinux-10.2.z] (JIRA:AlmaLinux-190702)
* qemu-img create/convert fails on target block device with 4k sector size [almalinux-10.2.z] (JIRA:AlmaLinux-207389)
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.
Fixed packages 20
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 10 | qemu-guest-agent | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-img | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-audio-pa | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-block-blkio | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-block-curl | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-block-rbd | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-common | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-core | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-device-display-virtio-gpu | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-device-display-virtio-gpu-ccw | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-device-display-virtio-gpu-pci | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-device-display-virtio-vga | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-device-usb-host | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-device-usb-redirect | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-docs | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-tools | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-ui-egl-headless | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-kvm-ui-opengl | 18:10.1.0-16.el10_2.5.alma.1 |
| AlmaLinux · 10 | qemu-pr-helper | 18:10.1.0-16.el10_2.5.alma.1 |
Vulnerabilities 1
-
Medium 6.7
Qemu-kvm: heap buffer overflow in virtio-blk scsi request handling
A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by submitting a malformed v…