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CVE-2018-8781

Quick assessment

Affected
Check Point Software Technologies Ltd. Linux 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 3.4版本至4.15版本中的drivers/gpu/drm/udl/udl_fb.c文件的‘udl_fb_mmap’函数存在整数溢出漏洞。本地攻击者可利用该漏洞获取内核物理页面的读取和写入权限，在内核空间执行代码。

AI Predicted 7.8 Difficulty: Easy EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2018-8781

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c at the Linux kernel version 3.4 and up to and including 4.15 has an integer-overflow vulnerability allowing local users with access to the udldrmfb driver to obtain full read and write permissions on kernel physical pages, resulting in a code execution in kernel space.
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 数字错误漏洞
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 3.4版本至4.15版本中的drivers/gpu/drm/udl/udl_fb.c文件的‘udl_fb_mmap’函数存在整数溢出漏洞。本地攻击者可利用该漏洞获取内核物理页面的读取和写入权限，在内核空间执行代码。
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
Check Point Software Technologies Ltd. Linux Kernel kernel version 3.4 and up to and including 4.15 -

II. Public POCs for CVE-2018-8781

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III. Intelligence Information for CVE-2018-8781

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Vendor Advisories for CVE-2018-8781 (12)

Mailing List Discussions for CVE-2018-8781 (1)

Other References for CVE-2018-8781 (2)

IV. Related Vulnerabilities

Same product: Linux Kernel
Same vendor: Check Point Software Technologies Ltd.

V. Comments for CVE-2018-8781

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