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prionPRIOn knowledge basePRION:CVE-2017-17807
HistoryDec 20, 2017 - 11:29 p.m.

Design/Logic Flaw

2017-12-2023:29:00
PRIOn knowledge base
www.prio-n.com
11

AI Score

4.8

Confidence

Low

EPSS

0

Percentile

10.1%

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 β€œdefault 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.