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CVE-2023-6040

Date: January 11, 2024

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.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2023-6040
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040
https://people.canonical.com/~ubuntu-security/cve/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
https://www.mend.io/vulnerability-database/CVE-2023-6040

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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