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If I log into any other user i am able to access my main user through terminal with my current user password. I am using ubuntu 16.04 and I think it might be in all ubuntu 16.04 operating systems. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: unity 7.4.5+16.04.20171201.3 Uname: Linux 4.15.1-041501-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 CompizPlugins: [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,staticswitcher,workarounds,scale,expo,ezoom,dbus] CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Fri Feb 23 01:06:34 2018 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu DkmsStatus: bbswitch, 0.8, 4.13.0-32-generic, x86_64: installed bbswitch, 0.8, 4.15.1-041501-generic, x86_64: installed nvidia-384, 384.111, 4.13.0-32-generic, x86_64: installed nvidia-384, 384.111, 4.15.1-041501-generic, x86_64: installed virtualbox, 5.0.40, 4.13.0-32-generic, x86_64: installed ExecutablePath: /usr/bin/compiz GconfCompiz: /apps/compiz-1/general: /apps/compiz-1/general/screen0: /apps/compiz-1/general/screen0/options: active_plugins = [core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,staticswitcher,workarounds,scale,expo,ezoom,dbus] GraphicsCard: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 0b) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Haswell-ULT Integrated Graphics Controller [103c:198f] InstallationDate: Installed on 2018-01-22 (31 days ago) InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801) MachineType: Hewlett-Packard HP EliteBook 840 G1 ProcEnviron: PATH=(custom, user) SHELL=/bin/bash LANG=en_IN LANGUAGE=en_IN:en XDG_RUNTIME_DIR=<set> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.1-041501-generic root=UUID=95af4278-a5ad-4183-9691-2a68fd0e627e ro resume=UUID=a7e7e167-65b7-4b78-ad75-4400e9b38bad resume= resume= quiet splash vt.handoff=7 SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/01/2015 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: L71 Ver. 01.33 dmi.board.name: 198F dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 15.57 dmi.chassis.asset.tag: CNU4219GQQ dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrL71Ver.01.33:bd09/01/2015:svnHewlett-Packard:pnHPEliteBook840G1:pvrA3009FD10303:rvnHewlett-Packard:rn198F:rvrKBCVersion15.57:cvnHewlett-Packard:ct10:cvr: dmi.product.family: 103C_5336AN G=N L=BUS B=HP S=ELI dmi.product.name: HP EliteBook 840 G1 dmi.product.version: A3009FD10303 dmi.sys.vendor: Hewlett-Packard version.compiz: compiz 1:0.9.12.3+16.04.20171116-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.83-1~16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.8-0ubuntu0~16.04.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.8-0ubuntu0~16.04.1 version.xserver-xorg-core: xserver-xorg-core N/A version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A xserver.bootTime: Thu Feb 22 21:34:13 2018 xserver.configfile: default xserver.errors: xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.19.5-0ubuntu2~16.04.1 xserver.video_driver: modeset ** Affects: sudo (Ubuntu) Importance: Undecided Status: Incomplete ** Tags: amd64 apport-bug compiz-0.9 ubuntu xenial -- I think there is some security issue in my ubuntu . https://bugs.launchpad.net/bugs/1751129 You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to sudo in Ubuntu. -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp