CVE-2018-16880
Quick assessment
Affected
The Linux Foundation kernel
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中的[vhost_net]驱动程序的‘handle_rx()’函数存在越界写入漏洞。攻击者可利用该漏洞造成内存损坏。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-16880
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Linux kernel's handle_rx() function in the [vhost_net] driver. A malicious virtual guest, under specific conditions, can trigger an out-of-bounds write in a kmalloc-8 slab on a virtual host which may lead to a kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out. Versions from v4.16 and newer are vulnerable.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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中的[vhost_net]驱动程序的‘handle_rx()’函数存在越界写入漏洞。攻击者可利用该漏洞造成内存损坏。
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 |
|---|---|---|---|---|
| The Linux Foundation | kernel | from v4.16 and newer | - |
|
II. Public POCs for CVE-2018-16880
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2018-16880 (5)
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https://support.f5.com/csp/article/K03593314 x_refsource_CONFIRM
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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16880 x_refsource_CONFIRM
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Mailing List Discussions for CVE-2018-16880 (1)
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http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00037.html vendor-advisory x_refsource_SUSE
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V. Comments for CVE-2018-16880
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