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CVE-2020-27777

Quick assessment

Affected
n/a 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基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在授权问题漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。

AI Predicted 7.8 Difficulty: Hard EPSS 0.48% · P39
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I. Basic Information for CVE-2020-27777

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down (usually due to Secure Boot) guest system running on top of PowerVM or KVM hypervisors (pseries platform) a root like local user could use this flaw to further increase their privileges to that of a running kernel.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在授权问题漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。
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
- kernel kernel 5.10-rc1 -

II. Public POCs for CVE-2020-27777

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III. Intelligence Information for CVE-2020-27777

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Patches & Fixes for CVE-2020-27777 (1)

Vendor Advisories for CVE-2020-27777 (1)

Mailing List Discussions for CVE-2020-27777 (2)

Same Patch Batch · n/a · 2020-12-15 · 116 CVEs total

CVE-2020-28442 7.5 HIGH Prototype Pollution
CVE-2020-28456 7.3 HIGH Cross-site Scripting (XSS)
CVE-2020-28457 7.2 HIGH Cross-site Scripting (XSS)
CVE-2020-27055 Google Android 安全漏洞
CVE-2020-29482 Xen 代码问题漏洞
CVE-2020-29480 Xen 授权问题漏洞
CVE-2020-29479 Xen 权限许可和访问控制问题漏洞
CVE-2020-29571 Xen 代码问题漏洞
CVE-2020-29570 Xen 安全漏洞
CVE-2020-29569 Linux kernel 资源管理错误漏洞
CVE-2020-25712 xorg-x11-server 缓冲区错误漏洞
CVE-2020-29568 Xen 缓冲区错误漏洞
CVE-2020-29567 Xen 安全漏洞
CVE-2020-29566 Xen 处理逻辑错误漏洞
CVE-2020-27068 Google Android 缓冲区错误漏洞
CVE-2020-27067 Google Android 资源管理错误漏洞
CVE-2020-27066 Google Android 资源管理错误漏洞
CVE-2020-27048 Google Android 缓冲区错误漏洞
CVE-2020-27047 Google Android 缓冲区错误漏洞
CVE-2020-27046 Google Android 缓冲区错误漏洞

Showing top 20 of 116 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-862

V. Comments for CVE-2020-27777

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