In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.
Exploitability
AV:LAC:LPR:HUI:NScope
S:UImpact
C:NI:HA:H6/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H