CVE-2016-9604

MediumCVSS 4.4/10Last modified Jun 17, 2026

Description

It was discovered in the Linux kernel before 4.11-rc8 that root can gain direct access to an internal keyring, such as '.dns_resolver' in RHEL-7 or '.builtin_trusted_keys' upstream, by joining it as its session keyring. This allows root to bypass module signature verification by adding a new public key of its own devising to the keyring.

Metrics

CVSS 3.0 4.4/10CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-732CWE-347

Affected software

VendorProductVersions
kernelsecuritykernel 4.11-rc8

References

Timeline

Published
Jul 11, 2018
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2016-9604: Medium severity, CVSS 4.4 | Vulnix