group.of.nepali.translators team mailing list archive

[Thadeu Lima de Souza Cascardo <1971480@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

[Impact]
Any user may spam dmesg may issuing an invalid ioctl to /dev/vsock.

[Fix]
Do not print anything to dmesg when an invalid ioctl is issued to /dev/vsock.

[Test case]
ioctl(open("/dev/vsock", O_RDONLY), garbage, 0);

[Potential regression]
vsock users may regress.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Fix Released

** Affects: linux (Ubuntu Xenial)
     Importance: Low
     Assignee: Thadeu Lima de Souza Cascardo (cascardo)
         Status: In Progress

** Affects: linux (Ubuntu Bionic)
     Importance: Low
     Assignee: Thadeu Lima de Souza Cascardo (cascardo)
         Status: In Progress

** Affects: linux (Ubuntu Focal)
     Importance: Low
     Assignee: Thadeu Lima de Souza Cascardo (cascardo)
         Status: In Progress

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu)
       Status: New => Fix Released

** Changed in: linux (Ubuntu Xenial)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu Bionic)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu Focal)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu Focal)
     Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)

** Changed in: linux (Ubuntu Focal)
       Status: New => In Progress

** Changed in: linux (Ubuntu Xenial)
     Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)

** Changed in: linux (Ubuntu Bionic)
     Assignee: (unassigned) => Thadeu Lima de Souza Cascardo (cascardo)

** Changed in: linux (Ubuntu Bionic)
       Status: New => In Progress

** Changed in: linux (Ubuntu Xenial)
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/1971480

Title:
  issuing invalid ioctl to /dev/vsock may spam dmesg

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  In Progress
Status in linux source package in Bionic:
  In Progress
Status in linux source package in Focal:
  In Progress

Bug description:
  [Impact]
  Any user may spam dmesg may issuing an invalid ioctl to /dev/vsock.

  [Fix]
  Do not print anything to dmesg when an invalid ioctl is issued to /dev/vsock.

  [Test case]
  ioctl(open("/dev/vsock", O_RDONLY), garbage, 0);

  [Potential regression]
  vsock users may regress.

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