CVE-2023-52340

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3	Mailing List Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=af6d10345ca76670c1b7c37799f0d5576ccef277	Mailing List Patch
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3	Mailing List Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=af6d10345ca76670c1b7c37799f0d5576ccef277	Mailing List Patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
https://security.netapp.com/advisory/ntap-20240816-0005/

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

History

04 Nov 2025, 18:15

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html - () https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html -

Information

Published : 2024-07-05 02:15

Updated : 2025-11-04 18:15

NVD link : CVE-2023-52340

Mitre link : CVE-2023-52340

CVE.ORG link : CVE-2023-52340

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo CWE-400

Uncontrolled Resource Consumption

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