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7.8
HIGH CVSS 3.1
CVE-2026-74467
s390/qeth: Check CAP_NET_ADMIN for private ioctls
Overview
Description

In the Linux kernel, the following vulnerability has been resolved: s390/qeth: Check CAP_NET_ADMIN for private ioctls Gate the SIOCDEVPRIVATE ioctl commands SIOC_QETH_ADP_SET_SNMP_CONTROL, SIOC_QETH_GET_CARD_TYPE and SIOC_QETH_QUERY_OAT with CAP_NET_ADMIN capable check to ensure unprivileged users cannot invoke them.

Details
INFO

Published Date :

Aug. 15, 2026, 1:17 p.m.

Last Modified :

Aug. 19, 2026, 5:21 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2026-74467 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
Apply kernel patches to enforce CAP_NET_ADMIN checks for private ioctl commands.
  • Update the Linux kernel to the patched version.
  • Verify CAP_NET_ADMIN is checked for SIOCDEVPRIVATE ioctls.
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-2026-74467.

URL Resource
https://git.kernel.org/stable/c/3ea5210db058347481c93849786982f874f7be2d
https://git.kernel.org/stable/c/4e48168825818bf4a13c743582227d15f1d30d04
https://git.kernel.org/stable/c/8fb69547924bbb3d7c900a0d7d137a7234db3f5f
https://git.kernel.org/stable/c/93a0a846ec59a88e0c402878a15357a5ce430eb4
https://git.kernel.org/stable/c/b40c74262f7e1e601221cebccdbdb2b392ff9976
https://git.kernel.org/stable/c/bd63c7879eaa87f1958f7ee027813356fcd9ff11
https://git.kernel.org/stable/c/d211028bac1bd0fff0026bfa2a8328e5b78cd0e6
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-74467 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-2026-74467 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-2026-74467 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-2026-74467 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. 19, 2026

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/3ea5210db058347481c93849786982f874f7be2d
    Added Reference https://git.kernel.org/stable/c/8fb69547924bbb3d7c900a0d7d137a7234db3f5f
    Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '4e48168825818bf4a13c743582227d15f1d30d04', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'b40c74262f7e1e601221cebccdbdb2b392ff9976', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'bd63c7879eaa87f1958f7ee027813356fcd9ff11', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '93a0a846ec59a88e0c402878a15357a5ce430eb4', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'd211028bac1bd0fff0026bfa2a8328e5b78cd0e6', 'versionType': 'git'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.15'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.151', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.103', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.44', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.8', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '8fb69547924bbb3d7c900a0d7d137a7234db3f5f', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '3ea5210db058347481c93849786982f874f7be2d', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '4e48168825818bf4a13c743582227d15f1d30d04', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'b40c74262f7e1e601221cebccdbdb2b392ff9976', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'bd63c7879eaa87f1958f7ee027813356fcd9ff11', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '93a0a846ec59a88e0c402878a15357a5ce430eb4', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'd211028bac1bd0fff0026bfa2a8328e5b78cd0e6', 'versionType': 'git'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.15'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.15.216', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.183', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.151', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.103', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.44', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.8', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'affected'}]
  • 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': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '4e48168825818bf4a13c743582227d15f1d30d04', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'b40c74262f7e1e601221cebccdbdb2b392ff9976', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'bd63c7879eaa87f1958f7ee027813356fcd9ff11', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '93a0a846ec59a88e0c402878a15357a5ce430eb4', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'd211028bac1bd0fff0026bfa2a8328e5b78cd0e6', 'versionType': 'git'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.15'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.151', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.103', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.44', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.8', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc6', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '4e48168825818bf4a13c743582227d15f1d30d04', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'b40c74262f7e1e601221cebccdbdb2b392ff9976', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'bd63c7879eaa87f1958f7ee027813356fcd9ff11', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '93a0a846ec59a88e0c402878a15357a5ce430eb4', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'd211028bac1bd0fff0026bfa2a8328e5b78cd0e6', 'versionType': 'git'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.15'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.151', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.103', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.44', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.8', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/s390/net/qeth_core_main.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': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '4e48168825818bf4a13c743582227d15f1d30d04', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'b40c74262f7e1e601221cebccdbdb2b392ff9976', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'bd63c7879eaa87f1958f7ee027813356fcd9ff11', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': '93a0a846ec59a88e0c402878a15357a5ce430eb4', 'versionType': 'git'}, {'status': 'affected', 'version': '18787eeebd7129ecf4960876d24f349682207783', 'lessThan': 'd211028bac1bd0fff0026bfa2a8328e5b78cd0e6', 'versionType': 'git'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.15'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.15', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.151', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.103', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.44', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.8', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc6', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/s390/net/qeth_core_main.c'], 'defaultStatus': 'affected'}]
    Added Description In the Linux kernel, the following vulnerability has been resolved: s390/qeth: Check CAP_NET_ADMIN for private ioctls Gate the SIOCDEVPRIVATE ioctl commands SIOC_QETH_ADP_SET_SNMP_CONTROL, SIOC_QETH_GET_CARD_TYPE and SIOC_QETH_QUERY_OAT with CAP_NET_ADMIN capable check to ensure unprivileged users cannot invoke them.
    Added Reference https://git.kernel.org/stable/c/4e48168825818bf4a13c743582227d15f1d30d04
    Added Reference https://git.kernel.org/stable/c/93a0a846ec59a88e0c402878a15357a5ce430eb4
    Added Reference https://git.kernel.org/stable/c/b40c74262f7e1e601221cebccdbdb2b392ff9976
    Added Reference https://git.kernel.org/stable/c/bd63c7879eaa87f1958f7ee027813356fcd9ff11
    Added Reference https://git.kernel.org/stable/c/d211028bac1bd0fff0026bfa2a8328e5b78cd0e6
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