1. Home
  2. Vulnerabilities
  3. CVE-2026-72067
7.8
HIGH CVSS 3.1
CVE-2026-72067
cpu: hotplug: Preserve per instance callback errors
Overview
Description

In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Preserve per instance callback errors cpuhp_invoke_callback() unwinds earlier callbacks for the same hotplug state when one instance fails. The rollback path currently reuses ret, so a successful rollback can hide the original error and make the failed transition look successful. Keep the rollback result separate from the original error.

Details
INFO

Published Date :

Aug. 15, 2026, 6:21 a.m.

Last Modified :

Aug. 17, 2026, 6:18 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Impact
Affected Products

The following products are affected by CVE-2026-72067 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
Separate rollback errors from original errors in CPU hotplug callbacks.
  • Update the Linux kernel to include the fix.
  • Review CPU hotplug callback error handling.
  • Test callback error unwinding logic thoroughly.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-72067.

URL Resource
https://git.kernel.org/stable/c/673db10729fb121ea1b16fe57791a0cb9eac1eb5
https://git.kernel.org/stable/c/77d4fa8a3ea1c3e8b996ac35e59aee9e77389905
https://git.kernel.org/stable/c/7a68257b90d8a9b6d605abc99469ded45ecba63b
https://git.kernel.org/stable/c/95232281512b15338549171ed9a2acf21f946ffb
https://git.kernel.org/stable/c/9f7dc355f62c011e4afe8286cf71130d4bfb9d80
https://git.kernel.org/stable/c/ef39758637cc5b603fb05b625c45a98aa306e338
https://git.kernel.org/stable/c/f77117530fc3f5932ffb107182a6dd34006be9b6
https://git.kernel.org/stable/c/fe9c8d641f6991614d1229a3ffd3e33b879bba9c
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-72067 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-72067 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-72067 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-72067 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 17, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'fe9c8d641f6991614d1229a3ffd3e33b879bba9c', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'ef39758637cc5b603fb05b625c45a98aa306e338', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '95232281512b15338549171ed9a2acf21f946ffb', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '7a68257b90d8a9b6d605abc99469ded45ecba63b', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '77d4fa8a3ea1c3e8b996ac35e59aee9e77389905', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'f77117530fc3f5932ffb107182a6dd34006be9b6', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '9f7dc355f62c011e4afe8286cf71130d4bfb9d80', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '673db10729fb121ea1b16fe57791a0cb9eac1eb5', 'versionType': 'git'}], 'programFiles': ['kernel/cpu.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.14'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.14', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['kernel/cpu.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'fe9c8d641f6991614d1229a3ffd3e33b879bba9c', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'ef39758637cc5b603fb05b625c45a98aa306e338', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '95232281512b15338549171ed9a2acf21f946ffb', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '7a68257b90d8a9b6d605abc99469ded45ecba63b', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '77d4fa8a3ea1c3e8b996ac35e59aee9e77389905', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'f77117530fc3f5932ffb107182a6dd34006be9b6', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '9f7dc355f62c011e4afe8286cf71130d4bfb9d80', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '673db10729fb121ea1b16fe57791a0cb9eac1eb5', 'versionType': 'git'}], 'programFiles': ['kernel/cpu.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.14'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.14', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['kernel/cpu.c'], 'defaultStatus': 'affected'}]
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 15, 2026

    Action Type Old Value New Value
    Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'fe9c8d641f6991614d1229a3ffd3e33b879bba9c', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'ef39758637cc5b603fb05b625c45a98aa306e338', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '95232281512b15338549171ed9a2acf21f946ffb', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '7a68257b90d8a9b6d605abc99469ded45ecba63b', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '77d4fa8a3ea1c3e8b996ac35e59aee9e77389905', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': 'f77117530fc3f5932ffb107182a6dd34006be9b6', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '9f7dc355f62c011e4afe8286cf71130d4bfb9d80', 'versionType': 'git'}, {'status': 'affected', 'version': '724a86881d03ee5794148e65142e24ed3621be66', 'lessThan': '673db10729fb121ea1b16fe57791a0cb9eac1eb5', 'versionType': 'git'}], 'programFiles': ['kernel/cpu.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.14'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.14', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['kernel/cpu.c'], 'defaultStatus': 'affected'}]
    Added Description In the Linux kernel, the following vulnerability has been resolved: cpu: hotplug: Preserve per instance callback errors cpuhp_invoke_callback() unwinds earlier callbacks for the same hotplug state when one instance fails. The rollback path currently reuses ret, so a successful rollback can hide the original error and make the failed transition look successful. Keep the rollback result separate from the original error.
    Added Reference https://git.kernel.org/stable/c/673db10729fb121ea1b16fe57791a0cb9eac1eb5
    Added Reference https://git.kernel.org/stable/c/77d4fa8a3ea1c3e8b996ac35e59aee9e77389905
    Added Reference https://git.kernel.org/stable/c/7a68257b90d8a9b6d605abc99469ded45ecba63b
    Added Reference https://git.kernel.org/stable/c/95232281512b15338549171ed9a2acf21f946ffb
    Added Reference https://git.kernel.org/stable/c/9f7dc355f62c011e4afe8286cf71130d4bfb9d80
    Added Reference https://git.kernel.org/stable/c/ef39758637cc5b603fb05b625c45a98aa306e338
    Added Reference https://git.kernel.org/stable/c/f77117530fc3f5932ffb107182a6dd34006be9b6
    Added Reference https://git.kernel.org/stable/c/fe9c8d641f6991614d1229a3ffd3e33b879bba9c
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact