CVE-2021-4204
Linux eBPF Out-of-bounds Memory Access Vulnerability
Description
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.
INFO
Published Date :
Aug. 24, 2022, 4:15 p.m.
Last Modified :
July 18, 2023, 1:52 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.2
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-4204 has a 13 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-4204
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.
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-2021-4204.
| URL | Resource |
|---|---|
| https://access.redhat.com/security/cve/CVE-2021-4204 | Mitigation Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2039178 | Issue Tracking Third Party Advisory |
| https://security-tracker.debian.org/tracker/CVE-2021-4204 | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20221228-0003/ | Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2022/01/11/4 | 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).
All CVE - PoC in GitHub
poc proofofconcept tester allcve cvegithub cvenew cvepoc cveupdate
None
渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms
Assembly Python Shell PHP C++ C Go Ruby HTML Java
None
None
None
None
None
Assembly Python Shell PHP C++ C Go Ruby HTML Java
Map Vulnerabilities into Different Layers of the Container Image
Python
CVE-2021-4204: Linux Kernel eBPF Local Privilege Escalation
Makefile C Shell
Metarget is a framework providing automatic constructions of vulnerable infrastructures.
cloud-native kubernetes container cloud-native-security kubernetes-security container-security container-escape target vulnerable-infrastructure vulnerabilities vulnerable-scenes vulnerable-infrastructures privilege-escalation kernel-exploitation
Python Shell HTML JavaScript PHP Perl Dockerfile C
渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms
penetration-testing poc getshell csrf penetration-testing-poc csrf-webshell cve rce sql-poc poc-exp bypass oa-getshell cve-cms php-bypass thinkphp sql-getshell authentication-bypass cobalt-strike exploit
Python Ruby Makefile C C++ Shell HTML Java Assembly PHP
A collection of links related to Linux kernel security and exploitation
linux-kernel kernel-exploitation exploit privilege-escalation security
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-4204 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-4204 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]
Jul. 18, 2023
Action Type Old Value New Value Removed CWE NIST CWE-787 Added CWE NIST CWE-119 -
Modified Analysis by [email protected]
Mar. 01, 2023
Action Type Old Value New Value Changed Reference Type https://security.netapp.com/advisory/ntap-20221228-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20221228-0003/ Third Party Advisory Added CPE Configuration AND OR *cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 28, 2022
Action Type Old Value New Value Added Reference https://security.netapp.com/advisory/ntap-20221228-0003/ [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 29, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://access.redhat.com/security/cve/CVE-2021-4204 No Types Assigned https://access.redhat.com/security/cve/CVE-2021-4204 Mitigation, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2039178 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2039178 Issue Tracking, Third Party Advisory Changed Reference Type https://security-tracker.debian.org/tracker/CVE-2021-4204 No Types Assigned https://security-tracker.debian.org/tracker/CVE-2021-4204 Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2022/01/11/4 No Types Assigned https://www.openwall.com/lists/oss-security/2022/01/11/4 Mailing List, Patch, Third Party Advisory Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.8.0 *cpe:2.3:o:linux:linux_kernel:5.8.0:-:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-4204 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-2021-4204
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