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prionPRIOn knowledge basePRION:CVE-2021-22600
HistoryJan 26, 2022 - 2:15 p.m.

Double free

2022-01-2614:15:00
PRIOn knowledge base
www.prio-n.com
13

AI Score

7

Confidence

High

EPSS

0.001

Percentile

29.5%

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755