CVE-2023-35001

HIGH

Linux Kernel 3.13-4.14.322 - Out-of-bounds Write in nftables nft_byteorder

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2023-35001. PoCs published by synacktiv, syedhafiz1234, mrbrelax.

AI-analyzed exploit summary This is a functional exploit for CVE-2023-35001, targeting an out-of-bounds read/write vulnerability in nftables on Ubuntu kernel 5.19.0-35. It achieves local privilege escalation by leaking kernel addresses and executing a ROP chain to overwrite credentials.

Description

Linux Kernel nftables Out-Of-Bounds Read/Write Vulnerability; nft_byteorder poorly handled vm register contents when CAP_NET_ADMIN is in any user or network namespace

Exploits (3)

nomisec WORKING POC 168 stars
by synacktiv · poc
https://github.com/synacktiv/CVE-2023-35001

This is a functional exploit for CVE-2023-35001, targeting an out-of-bounds read/write vulnerability in nftables on Ubuntu kernel 5.19.0-35. It achieves local privilege escalation by leaking kernel addresses and executing a ROP chain to overwrite credentials.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Reliable
Target: Linux kernel nftables (Ubuntu 5.19.0-35-generic)
No auth needed
Prerequisites: Local access to the target system · Kernel version 5.19.0-35-generic
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 7 stars
by syedhafiz1234 · poc
https://github.com/syedhafiz1234/nftables-oob-read-write-exploit-CVE-2023-35001-

This is a functional exploit for CVE-2023-35001, targeting an out-of-bounds read/write vulnerability in nftables. It achieves local privilege escalation by leaking kernel addresses and executing a ROP chain to overwrite credentials.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Complex
Reliability
Reliable
Target: nftables (Linux kernel 5.19.0-35-generic)
No auth needed
Prerequisites: Local access to the target system · Kernel version 5.19.0-35-generic
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v3 7.8
EPSS 0.0215
EPSS Percentile 79.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (9)
debian/debian_linux 11.0
fedoraproject/fedora 37
fedoraproject/fedora 38
linux/linux_kernel 3.13 - 4.14.322
netapp/h300s
netapp/h410c
netapp/h410s
netapp/h500s
netapp/h700s
Published Jul 05, 2023
Tracked Since Feb 18, 2026