CVE-2026-74467: s390/qeth: Check CAP_NET_ADMIN for private ioctls
Vulnerability summary
CVE-2026-74467 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.5% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 21 · Related 18Timeline
- 15-08-2026PublishedVulnerability first disclosed.
- 16-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.13%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
Decrease -0.05 pp
From 0.18% on 06-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu157 products
- linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 7.0.0-42.42
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 7.0.0-1016.17
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.187-1 | < 6.12.105-1 | < 7.1.8-1
- linux-6.12< 6.12.107-1~deb12u1
Linux1 product
- linux≥ 18787eeebd7129ecf4960876d24f349682207783, < 8fb69547924bbb3d7c900a0d7d137a7234db3f5f | ≥ 18787eeebd7129ecf4960876d24f349682207783, < 3ea5210db058347481c93849786982f874f7be2d | ≥ 18787eeebd7129ecf4960876d24f349682207783, < 4e48168825818bf4a13c743582227d15f1d30d04 | ≥ 18787eeebd7129ecf4960876d24f349682207783, < b40c74262f7e1e601221cebccdbdb2b392ff9976 | ≥ 18787eeebd7129ecf4960876d24f349682207783, < bd63c7879eaa87f1958f7ee027813356fcd9ff11 | ≥ 18787eeebd7129ecf4960876d24f349682207783, < 93a0a846ec59a88e0c402878a15357a5ce430eb4 | ≥ 18787eeebd7129ecf4960876d24f349682207783, < d211028bac1bd0fff0026bfa2a8328e5b78cd0e6 | 5.15
3 vendors · 160 products