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I. Basic Information for CVE-2024-4693
Vulnerability Information
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Vulnerability Title
Qemu-kvm: virtio-pci: improper release of configure vector leads to guest triggerable crash
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the QEMU Virtio PCI Bindings (hw/virtio/virtio-pci.c). An improper release and use of the irqfd for vector 0 during the boot process leads to a guest triggerable crash via vhost_net_stop(). This flaw allows a malicious guest to crash the QEMU process on the host.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在过期或释放后对资源进行操作
Source: NVD (National Vulnerability Database)
Vulnerability Title
QEMU 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 8.2.3 版本和 9.0.0 版本存在安全漏洞，该漏洞源于在 Virtio PCI 绑定 (hw/virtio/virtio-pci.c) 中的 QEMU 中发现了一个缺陷。在启动过程中对向量 0 的 irqfd 的不正确释放和使用会导致通过 vhost_net_stop 函数触发客户机崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Red HatRed Hat Enterprise Linux 6-cpe:/o:redhat:enterprise_linux:6
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 7-cpe:/o:redhat:enterprise_linux:7
Red HatRed Hat Enterprise Linux 8-cpe:/o:redhat:enterprise_linux:8
Red HatRed Hat Enterprise Linux 8 Advanced Virtualization-cpe:/a:redhat:advanced_virtualization:8::el8
Red HatRed Hat Enterprise Linux 9-cpe:/o:redhat:enterprise_linux:9
II. Public POCs for CVE-2024-4693
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III. Intelligence Information for CVE-2024-4693
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IV. Related Vulnerabilities
Same weakness: CWE-672
V. Comments for CVE-2024-4693

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