CVE-2021-3655
Linux Kernel SCTP uninitialized memory read vulnerability
Description
A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.
INFO
Published Date :
Aug. 5, 2021, 9:15 p.m.
Last Modified :
Nov. 21, 2024, 6:22 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2021-3655 has a 1 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-2021-3655
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-2021-3655
.
URL | Resource |
---|---|
https://bugzilla.redhat.com/show_bug.cgi?id=1984024 | Issue Tracking Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html | Mailing List Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html | Mailing List Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=1984024 | Issue Tracking Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html | Mailing List Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html | Mailing List 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).
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-2021-3655
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-3655
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.redhat.com/show_bug.cgi?id=1984024 Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Added Reference https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Oct. 27, 2022
Action Type Old Value New Value Removed CWE NIST CWE-909 Added CWE NIST CWE-20 -
Modified Analysis by [email protected]
Jan. 01, 2022
Action Type Old Value New Value Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html Mailing List, Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 17, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 16, 2021
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html [No Types Assigned] -
Modified Analysis by [email protected]
Sep. 21, 2021
Action Type Old Value New Value -
CVE Modified by [email protected]
Aug. 30, 2021
Action Type Old Value New Value Changed Description A vulnerability was found in the Linux kernel in versions before v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory. A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory. Removed CWE Red Hat, Inc. CWE-20 Added CWE Red Hat, Inc. CWE-909 Removed CWE Reason CWE-20 / More specific CWE option available -
Initial Analysis by [email protected]
Aug. 14, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1984024 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1984024 Issue Tracking, Patch, Third Party Advisory Added CWE NIST CWE-909 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.14 *cpe:2.3:o:linux:linux_kernel:5.14:-:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-3655
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-2021-3655
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.14152
percentile