Vulnerabilities > CVE-2023-6040 - Out-of-bounds Read vulnerability in multiple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Overread Buffers An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.
References
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html
- http://packetstormsecurity.com/files/177029/Kernel-Live-Patch-Security-Notice-LSN-0100-1.html
- http://www.openwall.com/lists/oss-security/2024/01/12/1
- http://www.openwall.com/lists/oss-security/2024/01/12/1
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-6040
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://www.openwall.com/lists/oss-security/2024/01/12/1
- https://www.openwall.com/lists/oss-security/2024/01/12/1