CVE-2020-28915
"Linux Kernel fbcon Buffer Over-Read Vulnerability"
Description
A buffer over-read (at the framebuffer layer) in the fbcon code in the Linux kernel before 5.8.15 could be used by local attackers to read kernel memory, aka CID-6735b4632def.
INFO
Published Date :
Nov. 18, 2020, 8:15 a.m.
Last Modified :
Nov. 21, 2024, 5:23 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel packages.
- Apply the recommended updates and patches.
Public PoC/Exploit Available at Github
CVE-2020-28915 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
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-2020-28915.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-28915 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-2020-28915
weaknesses.
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).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-28915 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-28915 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 af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://bugzilla.suse.com/show_bug.cgi?id=1178886 Added Reference https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15 Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262 Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16 Added Reference https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Dec. 15, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:C) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:C) Removed CVSS V3.1 NIST AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H Added CVSS V3.1 NIST AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H -
Reanalysis by [email protected]
Dec. 08, 2020
Action Type Old Value New Value Removed CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:N/A:N) Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:C) Removed CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CVSS V3.1 NIST AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:H -
Initial Analysis by [email protected]
Dec. 02, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:C/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=1178886 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=1178886 Issue Tracking, Third Party Advisory Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.15 Release Notes, Vendor Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262 Patch, Vendor Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6735b4632def0640dbdf4eb9f99816aca18c4f16 Patch, Vendor Advisory Changed Reference Type https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd No Types Assigned https://syzkaller.appspot.com/bug?id=08b8be45afea11888776f897895aef9ad1c3ecfd Patch, Third Party Advisory Added CWE NIST CWE-125 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.8.15 -
CVE Modified by [email protected]
Nov. 18, 2020
Action Type Old Value New Value Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5af08640795b2b9a940c9266c0260455377ae262 [No Types Assigned]
Vulnerability Scoring Details
Base CVSS Score: 5.8
Base CVSS Score: 6.1
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.14 }} 0.09%
score
0.34236
percentile