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CVE-2026-74467

s390/qeth: Check CAP_NET_ADMIN for private ioctls

HIGH
7.8
CVSS Score
Published: August 15, 2026 at 12:27 PM UTC
Updated: October 16, 2026 at 08:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
18787eeebd7129ecf4960876d24f3496822077835.15
Vendor states this is fixed in 3ea5210db058347481c93849786982f874f7be2d (fixed)
Vendor states this is fixed in 4e48168825818bf4a13c743582227d15f1d30d04 (fixed)
Vendor states this is fixed in 8fb69547924bbb3d7c900a0d7d137a7234db3f5f (fixed)
Vendor states this is fixed in 93a0a846ec59a88e0c402878a15357a5ce430eb4 (fixed)
Vendor states this is fixed in b40c74262f7e1e601221cebccdbdb2b392ff9976 (fixed)
Vendor states this is fixed in bd63c7879eaa87f1958f7ee027813356fcd9ff11 (fixed)
Vendor states this is fixed in d211028bac1bd0fff0026bfa2a8328e5b78cd0e6 (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.216 (unaffected)
Vendor states this is fixed in 6.1.183 (unaffected)
Vendor states this is fixed in 6.12.103 (unaffected)
Vendor states this is fixed in 6.18.44 (unaffected)
Vendor states this is fixed in 6.6.151 (unaffected)
Vendor states this is fixed in 7.1.8 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (7)

Source: cverecord
https://git.kernel.org/stable/c/4e48168825818bf4a13c743582227d15f1d30d04
Source: cverecord
https://git.kernel.org/stable/c/b40c74262f7e1e601221cebccdbdb2b392ff9976
Source: cverecord
https://git.kernel.org/stable/c/bd63c7879eaa87f1958f7ee027813356fcd9ff11
Source: cverecord
https://git.kernel.org/stable/c/93a0a846ec59a88e0c402878a15357a5ce430eb4
Source: cverecord
https://git.kernel.org/stable/c/d211028bac1bd0fff0026bfa2a8328e5b78cd0e6
Source: cverecord
https://git.kernel.org/stable/c/8fb69547924bbb3d7c900a0d7d137a7234db3f5f
Source: cverecord
https://git.kernel.org/stable/c/3ea5210db058347481c93849786982f874f7be2d

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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