Subject: [ASA-201706-35] libnl: privilege escalation Arch Linux Security Advisory ASA-201706-35 ========================================== Severity: Medium Date : 2017-06-28 CVE-ID : CVE-2017-0553 Package : libnl Type : privilege escalation Remote : No Link : https://security.archlinux.org/AVG-292 Summary ======= The package libnl before version 3.3.0-1 is vulnerable to privilege escalation. Resolution ========== Upgrade to 3.3.0-1. # pacman -Syu "libnl>=3.3.0-1" The problem has been fixed upstream in version 3.3.0. Workaround ========== None. Description =========== An integer overflow vulnerability has been found in the nlmsg_reserve() function of libnl < 3.3.0, allowing local privilege escalation. Impact ====== A local attacker is able to escalate privileges. References ========== http://git.infradead.org/users/tgr/libnl.git/commitdiff/3e18948f17148e6a3c4255bdeaaf01ef6081ceeb?hp=3dd2a0f26fa59896b4b4a262cf309a4be4aa70d3 https://security.archlinux.org/CVE-2017-0553