CVE-2022-50621

LoadPin bypass via nonenforcing dm-verity targets

Published Dec 8, 2025 · Updated May 11, 2026

Access-control bypass in Linux kernel 6.0 allows local users to evade LoadPin restrictions through a nonenforcing dm-verity target. The is_trusted_verity_target function trusted an allowlisted root digest without rejecting ignore-corruption modes, leaving modified blocks eligible as sources for kernel-loaded files. Exploitation requires local low-privileged access and LoadPin's dm-verity integration; the result is loss of the intended integrity gate for modules, firmware, and other kernel-loaded files.

CVSS severity7.0
High
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Access-control bypass in Linux kernel 6.0 allows local users to evade LoadPin restrictions through a nonenforcing dm-verity target. The is_trusted_verity_target function trusted an allowlisted root digest without rejecting ignore-corruption modes, leaving modified blocks eligible as sources for kernel-loaded files. Exploitation requires local low-privileged access and LoadPin's dm-verity integration; the result is loss of the intended integrity gate for modules, firmware, and other kernel-loaded files.

The record

CVE
CVE-2022-50621
Published
Dec 8, 2025
Updated
May 11, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
T1547.006
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 8, 2025CVE publishedPublication date reported by the CVE source.
  2. May 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=6.0
  2. Affected versionversion=b6c1c5745ccc68ac5d57c7ffb51ea25a86d0e97b <916ef6232cc4b84db7082b4c3d3cf1753d9462ba
  3. Affected versionversion=b6c1c5745ccc68ac5d57c7ffb51ea25a86d0e97b <cb1f5b76e39d86c98722696bdf632987aa777b83

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=6.0; version=b6c1c5745ccc68ac5d57c7ffb51ea25a86d0e97b <916ef6232cc4b84db7082b4c3d3cf1753d9462ba; version=b6c1c5745ccc68ac5d57c7ffb51ea25a86d0e97b <cb1f5b76e39d86c98722696bdf632987aa777b83

Published CVSS scores

7.0Amazon LinuxCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1547.006Kernel Modules and Extensions

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo