CVE-2017-17807

LowCVSS 3.3/10Last modified Jun 17, 2026

Description

The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's "default request-key keyring" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.

Metrics

CVSS 3.0 3.3/10CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published
Dec 20, 2017
Last modified
Jun 17, 2026
NVD status
Modified

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