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
- v3.1•HIGH•Score: 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-125•Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
Affected Systems
- debian•debian_linux
10.0
- linux•linux_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 organization•linux
< 5.18-rc1
References (6)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040
- https://www.openwall.com/lists/oss-security/2024/01/12/1
- http://www.openwall.com/lists/oss-security/2024/01/12/1
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html