CVE-2023-6040

Advisory lineage Upstream: 0 Downstream: 28
Analyzed
Published: 12 Jan 2024, 01:37
Last modified:17 Jun 2025, 21:09

Vulnerability Summary

Overall Risk (default)
medium
31/100
CVSS Score
7.8 HIGH
v3.1 (cve.org)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

12 Jan 2024, 01:37
Published
Vulnerability first disclosed
17 Jun 2025, 21:09
Last Modified
Vulnerability information updated

Description

An out-of-bounds access vulnerability involving netfilter was reported and fixed as: f1082dd31fe4 (netfilter: nf_tables: Reject tables of unsupported family); While creating a new netfilter table, lack of a safeguard against invalid nf_tables family (pf) values within `nf_tables_newtable` function enables an attacker to achieve out-of-bounds access.

CVSS Metrics

  • v3.1HIGHScore: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 0.02% Percentile: 5%

Techniques & Countermeasures

  • CWE-125Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debiandebian_linux

    10.0

  • linuxlinux_kernel

    ≥ 4.16, < 4.19.305 | ≥ 4.20, < 5.4.267 | ≥ 5.5, < 5.10.208 | ≥ 5.11, < 5.15.147 | ≥ 5.16, < 5.18

  • the linux kernel organizationlinux

    < 5.18-rc1

References (6)