🛡️ CVE-2023-42753
🟠 CVSS 7.0 — High ⚠️ Exploit Public CWE-787 NVD
7.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.

Details

Severity HIGH
CVSS Score 7.0
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-787
Public Exploit ⚠️ Yes
Source NVD
Published 2023-09-25
Updated 2026-06-08
Modified 2024-11-21
Fix URL N/A

Affected Packages

Software From version Fixed in
debian-linux — —
enterprise-linux — —
linux-kernel 6.5 6.5.3

References

Exploit, Mailing List, Third Party Advisory https://seclists.org/oss-sec/2023/q3/216
Exploit, Mailing List, Third Party Advisory https://seclists.org/oss-sec/2023/q3/216

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