Amazon Linux 2 Security Advisory: ALAS-2018-1122
Advisory Release Date: 2018-12-08 01:50 Pacific
An issue was discovered in rsn_supp/wpa.c in wpa_supplicant 2.0 through 2.6. Under certain conditions, the integrity of EAPOL-Key messages is not checked, leading to a decryption oracle. An attacker within range of the Access Point and client can abuse the vulnerability to recover sensitive information.(CVE-2018-14526 )
Run yum update wpa_supplicant to update your system.