[Bug 1199887] [NEW] device permissions are too restricitvie -- scanner, network device, camera and sound devices not accessable to users

Ben Howard ben.howard at canonical.com
Wed Jul 10 16:25:21 UTC 2013


Public bug reported:

The default device permissions/groups on upgrade made sound, camera, and
scanner devices unavailable for non-privelaged users.

In order to fix sound, I had to add myself to the audio group.

Camera devices are defaulting to root:root ownership.

Scanner device has root:lp ownership.

Either way, permissions on upgrade are too restrictive for desktop use.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: udev 204-0ubuntu4
ProcVersionSignature: Ubuntu 3.10.0-2.10-generic 3.10.0
Uname: Linux 3.10.0-2-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.10.2-0ubuntu4
Architecture: amd64
CustomUdevRuleFiles: 80-canon_mfp.rules 81-fix.rules
Date: Wed Jul 10 10:07:35 2013
InstallationDate: Installed on 2013-04-19 (82 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64+mac (20130418)
MachineType: LENOVO 4270CTO
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.10.0-2-generic root=UUID=95322945-b53f-423a-8cef-e4de793ac23e ro rootflags=subvol=@ acpi_osi=Linux acpi_backlight=vendor
SourcePackage: systemd
UpgradeStatus: Upgraded to saucy on 2013-07-09 (0 days ago)
dmi.bios.date: 04/06/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: 8BET57WW (1.37 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4270CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8BET57WW(1.37):bd04/06/2012:svnLENOVO:pn4270CTO:pvrThinkPadW520:rvnLENOVO:rn4270CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4270CTO
dmi.product.version: ThinkPad W520
dmi.sys.vendor: LENOVO

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug saucy

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https://bugs.launchpad.net/bugs/1199887

Title:
  device permissions are too restricitvie -- scanner, network device,
  camera and sound devices not accessable to users

Status in “systemd” package in Ubuntu:
  New

Bug description:
  The default device permissions/groups on upgrade made sound, camera,
  and scanner devices unavailable for non-privelaged users.

  In order to fix sound, I had to add myself to the audio group.

  Camera devices are defaulting to root:root ownership.

  Scanner device has root:lp ownership.

  Either way, permissions on upgrade are too restrictive for desktop
  use.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: udev 204-0ubuntu4
  ProcVersionSignature: Ubuntu 3.10.0-2.10-generic 3.10.0
  Uname: Linux 3.10.0-2-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.10.2-0ubuntu4
  Architecture: amd64
  CustomUdevRuleFiles: 80-canon_mfp.rules 81-fix.rules
  Date: Wed Jul 10 10:07:35 2013
  InstallationDate: Installed on 2013-04-19 (82 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64+mac (20130418)
  MachineType: LENOVO 4270CTO
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.10.0-2-generic root=UUID=95322945-b53f-423a-8cef-e4de793ac23e ro rootflags=subvol=@ acpi_osi=Linux acpi_backlight=vendor
  SourcePackage: systemd
  UpgradeStatus: Upgraded to saucy on 2013-07-09 (0 days ago)
  dmi.bios.date: 04/06/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8BET57WW (1.37 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 4270CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8BET57WW(1.37):bd04/06/2012:svnLENOVO:pn4270CTO:pvrThinkPadW520:rvnLENOVO:rn4270CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4270CTO
  dmi.product.version: ThinkPad W520
  dmi.sys.vendor: LENOVO

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