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I. Basic Information for CVE-2024-2494
Vulnerability Information
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Vulnerability Title
Libvirt: negative g_new0 length can lead to unbounded memory allocation
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a crash due to the negative length being treated as a huge positive number. This flaw allows a local, unprivileged user to perform a denial of service attack by causing the libvirt daemon to crash.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的内存分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat libvirt 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt存在安全漏洞，该漏洞源于RPC库的API存在安全漏洞，将负长度传递给g_new0函数会导致崩溃。攻击者可利用该漏洞执行拒绝服务（DOS）攻击。
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 8 8100020240409073027.489197e6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 8 8100020240409073027.489197e6 ~ * cpe:/a:redhat:enterprise_linux:8::appstream
Red HatRed Hat Enterprise Linux 9 0:10.0.0-6.2.el9_4 ~ * cpe:/a:redhat:enterprise_linux:9::appstream
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 8 Advanced Virtualization-cpe:/a:redhat:advanced_virtualization:8::el8
II. Public POCs for CVE-2024-2494
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III. Intelligence Information for CVE-2024-2494
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IV. Related Vulnerabilities
Same weakness: CWE-789
V. Comments for CVE-2024-2494

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