linux-pam (aka Linux PAM) before 1.6.0 allows attackers to cause a denial of service (blocked login process) via mkfifo because the openat call (for protectdir) lacks ODIRECTORY.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-cracklib" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-cracklib-dbgsym" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-doc" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-modules" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-modules-bin" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-modules-bin-dbgsym" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-modules-dbgsym" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam-runtime" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam0g" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam0g-dbgsym" }, { "binary_version": "1.1.8-1ubuntu2.2+esm4", "binary_name": "libpam0g-dev" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-cracklib" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-cracklib-dbgsym" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-doc" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-modules" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-modules-bin" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-modules-bin-dbgsym" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-modules-dbgsym" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam-runtime" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam0g" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam0g-dbgsym" }, { "binary_version": "1.1.8-3.2ubuntu2.3+esm5", "binary_name": "libpam0g-dev" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-cracklib" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-cracklib-dbgsym" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-doc" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-modules" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-modules-bin" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-modules-bin-dbgsym" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-modules-dbgsym" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam-runtime" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam0g" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam0g-dbgsym" }, { "binary_version": "1.1.8-3.6ubuntu2.18.04.6+esm1", "binary_name": "libpam0g-dev" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-cracklib" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-cracklib-dbgsym" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-doc" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-modules" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-modules-bin" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-modules-bin-dbgsym" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-modules-dbgsym" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam-runtime" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam0g" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam0g-dbgsym" }, { "binary_version": "1.3.1-5ubuntu4.7", "binary_name": "libpam0g-dev" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-cracklib" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-cracklib-dbgsym" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-doc" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-modules" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-modules-bin" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-modules-bin-dbgsym" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-modules-dbgsym" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam-runtime" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam0g" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam0g-dbgsym" }, { "binary_version": "1.4.0-11ubuntu2.4", "binary_name": "libpam0g-dev" } ] }