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: SR-IOV: improper validation of NumVFs leads to buffer overflow (CVE-2024-26327)
* QEMU: virtio: DMA reentrancy issue leads to double free vulnerability (CVE-2024-3446)
* QEMU: Denial of Service via Improper Synchronization in QEMU NBD Server During Socket Closure (CVE-2024-7409)
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.
Additional Changes:
For detailed information on changes in this release, see the Rocky Linux 9.5 Release Notes linked from the References section.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 9 | qemu-kvm | 7:9.0.0-10.el9_5.2 |
Vulnerabilities 3
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High 8.2
Qemu: virtio: dma reentrancy issue leads to double free vulnerability
A double free vulnerability was found in QEMU virtio devices (virtio-gpu, virtio-serial-bus, virtio-crypto), where the mem_reentrancy_guard flag insufficiently protects against DMA reentrancy issues. This issue could allow a malicious privileged guest user to…
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High 7.5
Qemu: denial of service via improper synchronization in qemu nbd server during socket closure
A flaw was found in the QEMU NBD Server. This vulnerability allows a denial of service (DoS) attack via improper synchronization during socket closure when a client keeps a socket open as the server is taken offline.
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Medium 5.3
An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where…