CVE-2023-52340
"Linux Kernel IPv6 Max Size Denial of Service Vulnerability"
Description
The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket.
INFO
Published Date :
July 5, 2024, 2:15 a.m.
Last Modified :
March 20, 2025, 2:15 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2023-52340 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-2023-52340
.
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).
Random Source Attack("rsrca") Project
CMake Makefile Shell C C++
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-52340
vulnerability anywhere in the article.

-
tripwire.com
VERT Threat Alert: August 2024 Patch Tuesday Analysis
Today’s VERT Alert addresses Microsoft’s August 2024 Security Updates. VERT is actively working on coverage for these vulnerabilities and expects to ship ASPL-1119 as soon as coverage is completed.CVE ... Read more
The following table lists the changes that have been made to the
CVE-2023-52340
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.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 20, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-400 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3 Added Reference https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=af6d10345ca76670c1b7c37799f0d5576ccef277 Added Reference https://security.netapp.com/advisory/ntap-20240816-0005/ -
Initial Analysis by [email protected]
Jul. 08, 2024
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3 No Types Assigned https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3 Mailing List, Patch Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=af6d10345ca76670c1b7c37799f0d5576ccef277 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=af6d10345ca76670c1b7c37799f0d5576ccef277 Mailing List, Patch Added CWE NIST NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.3 -
CVE Received by [email protected]
Jul. 05, 2024
Action Type Old Value New Value Added Description The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket. Added Reference MITRE https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=af6d10345ca76670c1b7c37799f0d5576ccef277 [No types assigned] Added Reference MITRE https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-52340
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-2023-52340
weaknesses.