CVE-2023-52340

HIGH

Linux Kernel < 6.3 - Denial of Service via IPv6 Route Consumption

Title source: llm
STIX 2.1

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.

References (5)

Core 5

Scores

CVSS v3 7.5
EPSS 0.0095
EPSS Percentile 56.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-400
Status published
Products (1)
linux/linux_kernel < 6.3
Published Jul 05, 2024
Tracked Since Feb 18, 2026