4.4
MEDIUM
CVE-2020-27418
Fedora Linux Kernel Use After Free Vulnerability
Description

A Use After Free vulnerability in Fedora Linux kernel 5.9.0-rc9 allows attackers to obatin sensitive information via vgacon_invert_region() function.

INFO

Published Date :

Aug. 22, 2023, 7:16 p.m.

Last Modified :

Sept. 12, 2023, 6:14 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2020-27418 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora_linux_kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-27418.

URL Resource
http://fedora.com Not Applicable
https://patchwork.freedesktop.org/patch/356372/ Mailing List Patch

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-27418 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-27418 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Sep. 12, 2023

    Action Type Old Value New Value
    Removed CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CVSS V3.1 NIST AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
  • Initial Analysis by [email protected]

    Aug. 25, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type http://fedora.com No Types Assigned http://fedora.com Not Applicable
    Changed Reference Type https://patchwork.freedesktop.org/patch/356372/ No Types Assigned https://patchwork.freedesktop.org/patch/356372/ Mailing List, Patch
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:a:fedoraproject:fedora_linux_kernel:5.9.0:rc9:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-27418 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-27418 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} -0.04%

score

0.06917

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
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Scope
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