Peter Eriksson discovered that Samba incorrectly handled certain negative idmap cache entries. This issue could result in certain users gaining unauthorized access to files, contrary to expected behaviour.
{ "availability": "No subscription required", "binaries": [ { "libwbclient-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-libs": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "registry-tools": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-common-bin": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libwbclient0-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-dsdb-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libpam-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libnss-winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-vfs-modules": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-common-bin-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-testsuite": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "smbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libsmbclient": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libsmbclient-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libwbclient0": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libparse-pidl-perl-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-dsdb-modules": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "registry-tools-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-vfs-modules-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "python-samba": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "ctdb": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libsmbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libnss-winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libsmbclient-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-libs-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-dbg": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-testsuite-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-common": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "winbind-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libpam-winbind": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "smbclient": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libwbclient-dev-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "samba-dev": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "libparse-pidl-perl": "2:4.3.11+dfsg-0ubuntu0.16.04.34", "ctdb-dbgsym": "2:4.3.11+dfsg-0ubuntu0.16.04.34" } ] }
{ "availability": "No subscription required", "binaries": [ { "libwbclient-dev": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-libs": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "registry-tools": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-common-bin": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libwbclient0-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-dsdb-modules-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libpam-winbind-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libnss-winbind-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "winbind": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-vfs-modules": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "python-samba-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-common-bin-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-testsuite": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "smbclient-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libsmbclient": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libwbclient0": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libsmbclient-dev": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "python-samba": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-dsdb-modules": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "registry-tools-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-vfs-modules-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "ctdb": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libnss-winbind": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libsmbclient-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-libs-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "winbind-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-testsuite-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-common": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libpam-winbind": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "smbclient": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "samba-dev": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "libparse-pidl-perl": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23", "ctdb-dbgsym": "2:4.7.6+dfsg~ubuntu-0ubuntu2.23" } ] }
{ "availability": "No subscription required", "binaries": [ { "libwbclient-dev": "2:4.11.6+dfsg-0ubuntu1.8", "samba-libs": "2:4.11.6+dfsg-0ubuntu1.8", "registry-tools": "2:4.11.6+dfsg-0ubuntu1.8", "samba-common-bin": "2:4.11.6+dfsg-0ubuntu1.8", "libwbclient0-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "samba-dsdb-modules-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "libpam-winbind-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "libnss-winbind-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "python3-samba-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "winbind": "2:4.11.6+dfsg-0ubuntu1.8", "samba-vfs-modules": "2:4.11.6+dfsg-0ubuntu1.8", "samba-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "samba-common-bin-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "samba-testsuite": "2:4.11.6+dfsg-0ubuntu1.8", "smbclient-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "libsmbclient": "2:4.11.6+dfsg-0ubuntu1.8", "samba": "2:4.11.6+dfsg-0ubuntu1.8", "libsmbclient-dev": "2:4.11.6+dfsg-0ubuntu1.8", "libwbclient0": "2:4.11.6+dfsg-0ubuntu1.8", "samba-dsdb-modules": "2:4.11.6+dfsg-0ubuntu1.8", "python3-samba": "2:4.11.6+dfsg-0ubuntu1.8", "samba-vfs-modules-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "registry-tools-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "ctdb": "2:4.11.6+dfsg-0ubuntu1.8", "libnss-winbind": "2:4.11.6+dfsg-0ubuntu1.8", "libsmbclient-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "samba-libs-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "winbind-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "samba-testsuite-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8", "samba-common": "2:4.11.6+dfsg-0ubuntu1.8", "libpam-winbind": "2:4.11.6+dfsg-0ubuntu1.8", "smbclient": "2:4.11.6+dfsg-0ubuntu1.8", "samba-dev": "2:4.11.6+dfsg-0ubuntu1.8", "ctdb-dbgsym": "2:4.11.6+dfsg-0ubuntu1.8" } ] }