CVE-2022-29581

HIGH

Linux Kernel 4.14-<5.18 - Local Privilege Escalation via Reference Count Mismanagement in net/sched

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2022-29581. PoCs published by nidhihcl, Nidhi77777.

AI-analyzed exploit summary This repository appears to be a documentation-focused snapshot of the Linux kernel (version 4.19.72) related to CVE-2022-29581, but it lacks actual exploit code or proof-of-concept implementations. The files provided are primarily documentation and configuration scripts.

Description

Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.

Exploits (2)

nomisec WRITEUP
by nidhihcl · poc
https://github.com/nidhihcl/linux-4.19.72_CVE-2022-29581

This repository appears to be a documentation-focused snapshot of the Linux kernel (version 4.19.72) related to CVE-2022-29581, but it lacks actual exploit code or proof-of-concept implementations. The files provided are primarily documentation and configuration scripts.

Classification
Writeup 90%
Attack Type
Other
Complexity
N/a
Reliability
Theoretical
Target: Linux Kernel 4.19.72
No auth needed
Prerequisites: N/A
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WRITEUP
by Nidhi77777 · poc
https://github.com/Nidhi77777/linux-4.19.72_CVE-2022-29581

The repository contains documentation files related to the Linux kernel, specifically for CVE-2022-29581. It includes ABI documentation, admin guides, and scripts for AoE (ATA over Ethernet) configuration. No exploit code or proof-of-concept is present in the provided files.

Classification
Writeup 90%
Attack Type
Other
Complexity
Trivial
Reliability
Theoretical
Target: Linux kernel 4.19.72
No auth needed
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (7)

Core 7
Core References
Patch, Vendor Advisory x_refsource_misc
https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2022/05/18/2
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20220629-0005/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5173

Scores

CVSS v3 7.8
EPSS 0.0019
EPSS Percentile 40.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-911
Status published
Products (15)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 20.04
canonical/ubuntu_linux 22.04
debian/debian_linux 10.0
linux/linux_kernel 4.14 - 4.14.278
netapp/h300e_firmware
netapp/h300s_firmware
netapp/h410c_firmware
... and 5 more
Published May 17, 2022
Tracked Since Feb 18, 2026