CVE-2019-20794
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 4.18版本至5.6.11版本中存在安全漏洞。攻击者可利用该漏洞导致资源耗尽。
Possible ATT&CK Techniques 1 AI
T1496 · Resource Hijacking
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I. Basic Information for CVE-2019-20794
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in the Linux kernel 4.18 through 5.6.11 when unprivileged user namespaces are allowed. A user can create their own PID namespace, and mount a FUSE filesystem. Upon interaction with this FUSE filesystem, if the userspace component is terminated via a kill of the PID namespace's pid 1, it will result in a hung task, and resources being permanently locked up until system reboot. This can result in resource exhaustion.
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 资源管理错误漏洞
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 4.18版本至5.6.11版本中存在安全漏洞。攻击者可利用该漏洞导致资源耗尽。
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-2019-20794
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2019-20794 (1)
-
https://security.netapp.com/advisory/ntap-20200608-0001/ x_refsource_CONFIRM
Mailing List Discussions for CVE-2019-20794 (1)
Other References for CVE-2019-20794 (1)
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https://github.com/sargun/fuse-example x_refsource_MISC
Same Patch Batch · n/a · 2020-05-09 · 14 CVEs total
| CVE-2020-12767 | libexif 数字错误漏洞 | |
| CVE-2020-12768 | Linux kernel 安全漏洞 | |
| CVE-2020-12769 | Linux kernel 输入验证错误漏洞 | |
| CVE-2020-12770 | Linux kernel 安全漏洞 | |
| CVE-2020-12771 | Linux kernel 输入验证错误漏洞 | |
| CVE-2019-20795 | iproute2 资源管理错误漏洞 | |
| CVE-2020-12764 | GNUTeca 路径遍历漏洞 | |
| CVE-2020-12765 | Solis Miolo 路径遍历漏洞 | |
| CVE-2020-12766 | Solis Gnuteca SQL注入漏洞 | |
| CVE-2020-12761 | imlib2 输入验证错误漏洞 | |
| CVE-2020-12637 | Zulip Desktop 信任管理问题漏洞 | |
| CVE-2020-12755 | KDE kio-extras 信息泄露漏洞 | |
| CVE-2020-12762 | json-c 输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2019-20794
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