CVE-2018-19406
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。 Linux kernel 4.19.2及之前版本中的arch/x86/kvm/lapic.c文件的kvm_pv_send_ipi存在安全漏洞。本地攻击者可借助特制的系统调用利用该漏洞造成拒绝服务（空指针逆向引用）。
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I. Basic Information for CVE-2018-19406
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
kvm_pv_send_ipi in arch/x86/kvm/lapic.c in the Linux kernel through 4.19.2 allows local users to cause a denial of service (NULL pointer dereference and BUG) via crafted system calls that reach a situation where the apic map is uninitialized.
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 安全漏洞
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。 Linux kernel 4.19.2及之前版本中的arch/x86/kvm/lapic.c文件的kvm_pv_send_ipi存在安全漏洞。本地攻击者可借助特制的系统调用利用该漏洞造成拒绝服务（空指针逆向引用）。
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-2018-19406
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2018-19406 (1)
Other References for CVE-2018-19406 (1)
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https://lkml.org/lkml/2018/11/20/411 x_refsource_MISC
Same Patch Batch · n/a · 2018-11-21 · 14 CVEs total
| CVE-2018-19420 | Cagintranet GetSimple CMS 安全漏洞 | |
| CVE-2018-19421 | Cagintranet GetSimple CMS 安全漏洞 | |
| CVE-2018-19423 | Codiad 安全漏洞 | |
| CVE-2018-19424 | ClipperCMS 安全漏洞 | |
| CVE-2018-19416 | Sysstat 缓冲区错误漏洞 | |
| CVE-2018-19417 | Contiki-NG MQTT服务器缓冲区错误漏洞 | |
| CVE-2018-19409 | Artifex Ghostscript 安全漏洞 | |
| CVE-2018-19410 | Paessler PRTG Network Monitor 权限许可和访问控制问题漏洞 | |
| CVE-2018-19411 | Paessler PRTG Network Monitor 权限许可和访问控制问题漏洞 | |
| CVE-2009-5153 | Novell NetWare 缓冲区错误漏洞 | |
| CVE-2018-19404 | YXcms 安全漏洞 | |
| CVE-2018-19407 | Linux kernel 安全漏洞 | |
| CVE-2018-19422 | Subrion CMS 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2018-19406
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