CVE-2023-2163

CRITICAL EXPLOITED

Linux Kernel >=5.4 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-2163 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including letsr00t.

AI-analyzed exploit summary The repository contains only a README.MD file with no actual exploit code or technical details. No meaningful analysis can be performed.

Description

Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.

Exploits (1)

nomisec STUB 1 stars
by letsr00t · poc
https://github.com/letsr00t/CVE-2023-2163

The repository contains only a README.MD file with no actual exploit code or technical details. No meaningful analysis can be performed.

Classification
Stub 10%
Attack Type
Other
Complexity
Unknown
Reliability
Theoretical
Target: unknown
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 10.0
EPSS 0.0020
EPSS Percentile 42.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

VulnCheck KEV 2025-09-03
CWE
CWE-682
Status published
Products (1)
linux/linux_kernel 5.3 - 5.4.242
Published Sep 20, 2023
Tracked Since Feb 18, 2026