s390/qeth: Check CAP_NET_ADMIN for private ioctls
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.15.216, 6.1.183, 6.6.151, 6.12.103, 6.18.44, 7.1.8, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 3 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2026-74467
- 2026-10-03 Alias added: GHSA-gc56-w4qv-mcc4
- 2026-10-18 CISA SSVC decision points changed
References
Other 7
- https://git.kernel.org/stable/c/8fb69547924bbb3d7c900a0d7d137a7234db3f5f
- https://git.kernel.org/stable/c/3ea5210db058347481c93849786982f874f7be2d
- https://git.kernel.org/stable/c/4e48168825818bf4a13c743582227d15f1d30d04
- https://git.kernel.org/stable/c/b40c74262f7e1e601221cebccdbdb2b392ff9976
- https://git.kernel.org/stable/c/bd63c7879eaa87f1958f7ee027813356fcd9ff11
- https://git.kernel.org/stable/c/93a0a846ec59a88e0c402878a15357a5ce430eb4
- https://git.kernel.org/stable/c/d211028bac1bd0fff0026bfa2a8328e5b78cd0e6
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Sources
- CVE-2026-74467 · CVE Program
- CVE-2026-74467 · NVD
- FIRST EPSS
- GHSA-gc56-w4qv-mcc4 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-74467 · Red Hat security data · CC BY 4.0
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