What is CVE-2023-52340?

CVE-2023-52340 is a high-severity vulnerability in Linux Kernel, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-07-05.

How severe is CVE-2023-52340?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-52340 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Linux Kernel

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.009 (57.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux Linux_kernel
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-52340?: CVE-2023-52340 is a high-severity vulnerability in Linux Kernel, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-07-05.
How severe is CVE-2023-52340?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-52340 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.