CVE-2021-4148
Linux Kernel Block Denial of Service Vulnerability
Description
A vulnerability was found in the Linux kernel's block_invalidatepage in fs/buffer.c in the filesystem. A missing sanity check may allow a local attacker with user privilege to cause a denial of service (DOS) problem.
INFO
Published Date :
March 23, 2022, 8:15 p.m.
Last Modified :
March 30, 2022, 1:59 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-4148 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-2021-4148.
| URL | Resource |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2026487 | Issue Tracking Third Party Advisory |
| https://lkml.org/lkml/2021/9/12/323 | Exploit Mailing List Patch Third Party Advisory |
| https://lkml.org/lkml/2021/9/17/1037 | Exploit Mailing List Patch Third Party Advisory |
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).
Automates the function name extraction from the list of CVEs of a given SOUP and perform search operation against the static and dynamic function trace database.
android dast frida security-tools
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-2021-4148 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4148 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 -
Initial Analysis by [email protected]
Mar. 30, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2026487 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2026487 Issue Tracking, Third Party Advisory Changed Reference Type https://lkml.org/lkml/2021/9/12/323 No Types Assigned https://lkml.org/lkml/2021/9/12/323 Exploit, Mailing List, Patch, Third Party Advisory Changed Reference Type https://lkml.org/lkml/2021/9/17/1037 No Types Assigned https://lkml.org/lkml/2021/9/17/1037 Exploit, Mailing List, Patch, Third Party Advisory Added CWE NIST CWE-354 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.14.16 Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4148 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-2021-4148
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile