A security flaw was discovered in the nl80211_set_rekey_data() function in net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function does not check whether the required attributes are present in a Netlink request. This request can be issued by a user with the CAP_NET_ADMIN capability and may result in a NULL pointer dereference and system crash.
Exploitability
AV:LAC:LPR:HUI:NScope
S:UImpact
C:NI:NA:H4.4/CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HMemory Safety