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CVE-2020-8832— Ubuntu 18.04 Linux kernel i915 incomplete fix for CVE-2019-14615

Quick assessment

Affected
Ubuntu 18.04 LTS (bionic) 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基金会的开源操作系统Linux所使用的内核。 Linux kernel中存在信息泄露漏洞。本地攻击者可利用该漏洞获取敏感信息。

CVSS 5.5 · Medium EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2020-8832

Vulnerability Information
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Vulnerability Title
Ubuntu 18.04 Linux kernel i915 incomplete fix for CVE-2019-14615
Source: CVE Program / CVE List V5
Vulnerability Description
The fix for the Linux kernel in Ubuntu 18.04 LTS for CVE-2019-14615 ("The Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors.") was discovered to be incomplete, meaning that in versions of the kernel before 4.15.0-91.92, an attacker could use this vulnerability to expose sensitive information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 信息泄露漏洞
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中存在信息泄露漏洞。本地攻击者可利用该漏洞获取敏感信息。
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
Ubuntu 18.04 LTS (bionic) Linux kernel 4.15.x kernels ~ 4.15.0-91.92 -

II. Public POCs for CVE-2020-8832

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III. Intelligence Information for CVE-2020-8832

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Vendor Advisories for CVE-2020-8832 (2)

Other References for CVE-2020-8832 (1)

IV. Related Vulnerabilities

Same vendor: Ubuntu
Same weakness: CWE-200

V. Comments for CVE-2020-8832

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