
CVE-2017-6507 – Ubuntu Security Notice USN-3247-1
https://notcve.org/view.php?id=CVE-2017-6507
24 Mar 2017 — An issue was discovered in AppArmor before 2.12. Incorrect handling of unknown AppArmor profiles in AppArmor init scripts, upstart jobs, and/or systemd unit files allows an attacker to possibly have increased attack surfaces of processes that were intended to be confined by AppArmor. This is due to the common logic to handle 'restart' operations removing AppArmor profiles that aren't found in the typical filesystem locations, such as /etc/apparmor.d/. Userspace projects that manage their own AppArmor profil... • http://bazaar.launchpad.net/~apparmor-dev/apparmor/master/revision/3647 • CWE-269: Improper Privilege Management •

CVE-2015-8325 – openssh: privilege escalation via user's PAM environment and UseLogin=yes
https://notcve.org/view.php?id=CVE-2015-8325
15 Apr 2016 — The do_setup_env function in session.c in sshd in OpenSSH through 7.2p2, when the UseLogin feature is enabled and PAM is configured to read .pam_environment files in user home directories, allows local users to gain privileges by triggering a crafted environment for the /bin/login program, as demonstrated by an LD_PRELOAD environment variable. La función do_setup_env en session.c en sshd en OpenSSH hasta la versión 7.2p2, cuando la funcionalidad UseLogin está activa y PAM está configurado para leer archivos... • http://rhn.redhat.com/errata/RHSA-2016-2588.html • CWE-264: Permissions, Privileges, and Access Controls CWE-863: Incorrect Authorization •

CVE-2016-1575 – Ubuntu 14.04/15.10 - User Namespace Overlayfs Xattr SetGID Privilege Escalation
https://notcve.org/view.php?id=CVE-2016-1575
23 Feb 2016 — The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory. La implementación de overlayfs en el kernel de Linux hasta la versión 4.5.2 no mantiene correctamente datos POSIX ACL xattr, lo que permite a usuarios locales obtener privilegos aprovechando un directorio con permiso de escritura de grupo setgid. halfdog discovered that OverlayFS, when mounting on top of a... • https://www.exploit-db.com/exploits/41762 • CWE-269: Improper Privilege Management •

CVE-2016-1576 – Ubuntu 15.10 - 'USERNS ' Overlayfs Over Fuse Privilege Escalation
https://notcve.org/view.php?id=CVE-2016-1576
23 Feb 2016 — The overlayfs implementation in the Linux kernel through 4.5.2 does not properly restrict the mount namespace, which allows local users to gain privileges by mounting an overlayfs filesystem on top of a FUSE filesystem, and then executing a crafted setuid program. La implementación de overlayfs en el kernel de Linux hasta la versión 4.5.2 no restringe correctamente el espacio de nombres de montaje, lo que permite a usuarios locales obtener privilegos montando un sistema de archivos overlayfs sobre un sistem... • https://www.exploit-db.com/exploits/41763 •