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prionPRIOn knowledge basePRION:CVE-2016-9604
HistoryJul 11, 2018 - 1:29 p.m.

Design/Logic Flaw

2018-07-1113:29:00
PRIOn knowledge base
www.prio-n.com
8

6.9 Medium

AI Score

Confidence

Low

0.001 Low

EPSS

Percentile

26.4%

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.