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CVE-2020-14390

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基金会发布的开源操作系统Linux所使用的内核。 Linux内核5.9-rc6之前版本fbcon_redraw_softback()存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.35% · P29

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a kernel Linux kernel versions before 5.9-rc6 affected
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I. Basic Information for CVE-2020-14390

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 in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
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内核5.9-rc6之前版本fbcon_redraw_softback()存在缓冲区错误漏洞，该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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 Linux kernel versions before 5.9-rc6 -

II. Public POCs for CVE-2020-14390

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III. Intelligence Information for CVE-2020-14390

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Vendor Advisories for CVE-2020-14390 (1)

Mailing List Discussions for CVE-2020-14390 (4)

Same Patch Batch · n/a · 2020-09-18 · 82 CVEs total

CVE-2020-0326 Google Android 缓冲区错误漏洞
CVE-2020-0354 Google Android 缓冲区错误漏洞
CVE-2020-0347 Google Android 缓冲区错误漏洞
CVE-2020-0335 Google Android 缓冲区错误漏洞
CVE-2020-0350 Google Android 缓冲区错误漏洞
CVE-2020-0265 Google Android 安全漏洞
CVE-2020-0269 Google Android 安全漏洞
CVE-2020-0272 Google Android 安全漏洞
CVE-2020-0276 Google Android 安全漏洞
CVE-2020-0263 Google Android 安全漏洞
CVE-2020-0334 Google Android 缓冲区错误漏洞
CVE-2020-0319 Google Android 缓冲区错误漏洞
CVE-2020-0309 Google Android 输入验证错误漏洞
CVE-2020-0299 Google Android 安全漏洞
CVE-2020-0298 Google Android 安全漏洞
CVE-2020-0273 Google Android 缓冲区错误漏洞
CVE-2020-0271 Google Android 默认配置问题漏洞
CVE-2020-0268 Google Android 资源管理错误漏洞
CVE-2020-0262 Google Android 安全漏洞
CVE-2020-0089 Google Android 安全漏洞

Showing top 20 of 82 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-787