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CVE-2015-4692

Quick assessment

Affected
n/a n/a
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.1.3及之前版本的arch/x86/kvm/lapic.h文件中的‘kvm_apic_has_events’函数存在安全漏洞。本地攻击者可利用该漏洞借助‘/dev/kvm’设备访问权限造成拒绝服务（空指针逆向引用和系统崩溃）。

AI Predicted 7.8 Difficulty: Easy EPSS 0.45% · P37
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I. Basic Information for CVE-2015-4692

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The kvm_apic_has_events function in arch/x86/kvm/lapic.h in the Linux kernel through 4.1.3 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging /dev/kvm access for an ioctl call.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel‘kvm_apic_has_events’函数拒绝服务漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。NFSv4 implementation是其中的一个分布式文件系统协议。 Linux kernel 4.1.3及之前版本的arch/x86/kvm/lapic.h文件中的‘kvm_apic_has_events’函数存在安全漏洞。本地攻击者可利用该漏洞借助‘/dev/kvm’设备访问权限造成拒绝服务（空指针逆向引用和系统崩溃）。
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

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2015-4692

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III. Intelligence Information for CVE-2015-4692

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Patches & Fixes for CVE-2015-4692 (2)

Vendor Advisories for CVE-2015-4692 (8)

Mailing List Discussions for CVE-2015-4692 (3)

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

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