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CVE-2020-27815

Quick assessment

Affected
n/a Linux Kernel
Exploitation
Public or AI PoC available; prioritize validation
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 存在缓冲区错误漏洞，该漏洞允许攻击者通过dbAdjTree()强制读取一个无效的地址，以触发拒绝服务，或获取敏感信息。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.79% · P54

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2020-27815

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
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基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在缓冲区错误漏洞，该漏洞允许攻击者通过dbAdjTree()强制读取一个无效的地址，以触发拒绝服务，或获取敏感信息。
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
- Linux Kernel 5.9.6 -

II. Public POCs for CVE-2020-27815

# POC Description Source Link Shenlong Link
1 None https://github.com/Trinadh465/linux-4.19.72_CVE-2020-27815 POC Details
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III. Intelligence Information for CVE-2020-27815

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Patches & Fixes for CVE-2020-27815 (1)

Vendor Advisories for CVE-2020-27815 (2)

Mailing List Discussions for CVE-2020-27815 (6)

Same Patch Batch · n/a · 2021-05-26 · 92 CVEs total

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CVE-2021-22731 Schneider Electric 授权问题漏洞
CVE-2021-22732 Schneider Electric homeLYnk和spaceLYnk 安全漏洞
CVE-2021-22736 Schneider Electric homeLYnk和spaceLYnk 路径遍历漏洞
CVE-2021-22734 Schneider Electric spaceLYnk和homeLYnk 数据伪造问题漏洞
CVE-2021-22735 Schneider Electric homeLYnk和spaceLYnk 数据伪造问题漏洞
CVE-2021-22733 Schneider Electric homeLYnk和spaceLYnk 安全漏洞
CVE-2021-22743 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22744 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22745 Triconex Model 3009 MP 代码问题漏洞
CVE-2021-22741 Schneider Electric EcoStruxure Geo SCADA Expert 安全漏洞
CVE-2021-22747 Triconex Model 3009 MP 代码问题漏洞
CVE-2020-22021 FFmpeg 缓冲区错误漏洞
CVE-2021-25643 Couchbase Server 安全漏洞
CVE-2020-22024 FFmpeg 安全漏洞
CVE-2020-22026 FFmpeg 安全漏洞
CVE-2021-3548 dmg2img 缓冲区错误漏洞
CVE-2020-22028 FFmpeg 安全漏洞

Showing top 20 of 92 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux Kernel
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2020-27815

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