CVE-2014-8181

Bug #1585364 reported by Steve Beattie
258
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
New
Low
Unassigned
Precise
Won't Fix
Low
Unassigned
Trusty
New
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
New
Low
Unassigned
Xenial
New
Low
Unassigned
Yakkety
Won't Fix
Low
Unassigned
linux-armadaxp (Ubuntu)
Invalid
Low
Unassigned
Precise
Won't Fix
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-flo (Ubuntu)
New
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
New
Low
Unassigned
Xenial
New
Low
Unassigned
Yakkety
New
Low
Unassigned
linux-goldfish (Ubuntu)
New
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
New
Low
Unassigned
Xenial
New
Low
Unassigned
Yakkety
New
Low
Unassigned
linux-lts-quantal (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-lts-raring (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-lts-saucy (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-lts-trusty (Ubuntu)
Invalid
Low
Unassigned
Precise
Won't Fix
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-lts-utopic (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
New
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-lts-vivid (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
New
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-lts-wily (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
New
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-lts-xenial (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
New
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-mako (Ubuntu)
New
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
New
Low
Unassigned
Xenial
New
Low
Unassigned
Yakkety
New
Low
Unassigned
linux-manta (Ubuntu)
Invalid
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
New
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned
linux-raspi2 (Ubuntu)
New
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
New
Low
Unassigned
Xenial
New
Low
Unassigned
Yakkety
New
Low
Unassigned
linux-snapdragon (Ubuntu)
New
Low
Unassigned
Precise
Invalid
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
New
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
New
Low
Unassigned
Yakkety
New
Low
Unassigned
linux-ti-omap4 (Ubuntu)
Invalid
Low
Unassigned
Precise
Won't Fix
Low
Unassigned
Trusty
Invalid
Low
Unassigned
Vivid
Won't Fix
Undecided
Unassigned
Wily
Invalid
Low
Unassigned
Xenial
Invalid
Low
Unassigned
Yakkety
Invalid
Low
Unassigned

Bug Description

In sg_io, blk_rq_map_user{,_iov} may allocate a set of bounce buffer pages to do the bio, if it finds the user buffer cannot be directly mapped. But the allocated pages are not cleared. If the bounce buffer is also not written to by device, garbage data is left, and copied back to user in blk_rq_unmap_user. The allocated pages should be cleared. This also eliminates the risk of leaking sensitive information to userspace, which may have a security impact.

CVE References

Revision history for this message
Steve Beattie (sbeattie) wrote :

CVE-2014-8181

tags: added: kernel-cve-tracking-bug
information type: Public → Public Security
Changed in linux-lts-trusty (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-trusty (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-trusty (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-lts-trusty (Ubuntu Trusty):
status: New → Invalid
Changed in linux-lts-wily (Ubuntu Precise):
status: New → Invalid
Changed in linux-lts-wily (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-wily (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-wily (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-lts-quantal (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-quantal (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-quantal (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-lts-quantal (Ubuntu Trusty):
status: New → Invalid
Changed in linux-ti-omap4 (Ubuntu Wily):
status: New → Invalid
Changed in linux-ti-omap4 (Ubuntu Xenial):
status: New → Invalid
Changed in linux-ti-omap4 (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-ti-omap4 (Ubuntu Trusty):
status: New → Invalid
Changed in linux-lts-raring (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-raring (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-raring (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-lts-raring (Ubuntu Trusty):
status: New → Invalid
Changed in linux-armadaxp (Ubuntu Wily):
status: New → Invalid
Changed in linux-armadaxp (Ubuntu Xenial):
status: New → Invalid
Changed in linux-armadaxp (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-armadaxp (Ubuntu Trusty):
status: New → Invalid
Changed in linux-lts-xenial (Ubuntu Precise):
status: New → Invalid
Changed in linux-lts-xenial (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-xenial (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-xenial (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-lts-saucy (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-saucy (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-saucy (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-lts-saucy (Ubuntu Trusty):
status: New → Invalid
Changed in linux-manta (Ubuntu Precise):
status: New → Invalid
Changed in linux-manta (Ubuntu Xenial):
status: New → Invalid
Changed in linux-manta (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-lts-vivid (Ubuntu Precise):
status: New → Invalid
Changed in linux-lts-vivid (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-vivid (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-vivid (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-raspi2 (Ubuntu Precise):
status: New → Invalid
Changed in linux-raspi2 (Ubuntu Trusty):
status: New → Invalid
Changed in linux-snapdragon (Ubuntu Precise):
status: New → Invalid
Changed in linux-snapdragon (Ubuntu Wily):
status: New → Invalid
Changed in linux-snapdragon (Ubuntu Trusty):
status: New → Invalid
Changed in linux-mako (Ubuntu Precise):
status: New → Invalid
Changed in linux-lts-utopic (Ubuntu Precise):
status: New → Invalid
Changed in linux-lts-utopic (Ubuntu Wily):
status: New → Invalid
Changed in linux-lts-utopic (Ubuntu Xenial):
status: New → Invalid
Changed in linux-lts-utopic (Ubuntu Yakkety):
status: New → Invalid
Changed in linux-goldfish (Ubuntu Precise):
status: New → Invalid
Changed in linux-flo (Ubuntu Precise):
status: New → Invalid
description: updated
Changed in linux-lts-trusty (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-lts-trusty (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-trusty (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-trusty (Ubuntu Yakkety):
importance: Undecided → Low
Steve Beattie (sbeattie)
Changed in linux-lts-trusty (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-lts-wily (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-lts-wily (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-wily (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-wily (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-lts-wily (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-lts-quantal (Ubuntu Precise):
status: New → Invalid
importance: Undecided → Low
Changed in linux-lts-quantal (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-quantal (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-quantal (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-lts-quantal (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux (Ubuntu Precise):
importance: Undecided → Low
Changed in linux (Ubuntu Wily):
importance: Undecided → Low
Changed in linux (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-ti-omap4 (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-ti-omap4 (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-ti-omap4 (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-ti-omap4 (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-ti-omap4 (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-lts-raring (Ubuntu Precise):
status: New → Invalid
importance: Undecided → Low
Changed in linux-lts-raring (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-raring (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-raring (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-lts-raring (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-armadaxp (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-armadaxp (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-armadaxp (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-armadaxp (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-armadaxp (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-lts-xenial (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-lts-xenial (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-xenial (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-xenial (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-lts-xenial (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-lts-saucy (Ubuntu Precise):
status: New → Invalid
importance: Undecided → Low
Changed in linux-lts-saucy (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-saucy (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-saucy (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-lts-saucy (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-manta (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-manta (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-manta (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-manta (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-manta (Ubuntu Trusty):
status: New → Invalid
importance: Undecided → Low
Changed in linux-lts-vivid (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-lts-vivid (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-vivid (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-vivid (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-lts-vivid (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-raspi2 (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-raspi2 (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-raspi2 (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-raspi2 (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-raspi2 (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-snapdragon (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-snapdragon (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-snapdragon (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-snapdragon (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-snapdragon (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-mako (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-mako (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-mako (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-mako (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-mako (Ubuntu Trusty):
status: New → Invalid
importance: Undecided → Low
Changed in linux-lts-utopic (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-lts-utopic (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-lts-utopic (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-lts-utopic (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-lts-utopic (Ubuntu Trusty):
importance: Undecided → Low
Changed in linux-goldfish (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-goldfish (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-goldfish (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-goldfish (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-goldfish (Ubuntu Trusty):
status: New → Invalid
importance: Undecided → Low
Changed in linux-flo (Ubuntu Precise):
importance: Undecided → Low
Changed in linux-flo (Ubuntu Wily):
importance: Undecided → Low
Changed in linux-flo (Ubuntu Xenial):
importance: Undecided → Low
Changed in linux-flo (Ubuntu Yakkety):
importance: Undecided → Low
Changed in linux-flo (Ubuntu Trusty):
status: New → Invalid
importance: Undecided → Low
Revision history for this message
Andy Whitcroft (apw) wrote : Closing unsupported series nomination.

This bug was nominated against a series that is no longer supported, ie yakkety. The bug task representing the yakkety nomination is being closed as Won't Fix.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu Yakkety):
status: New → Won't Fix
Revision history for this message
Andy Whitcroft (apw) wrote :

This bug was nominated against a series that is no longer supported, ie vivid. The bug task representing the vivid nomination is being closed as Won't Fix.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-lts-saucy (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-lts-trusty (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-lts-utopic (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-lts-vivid (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-mako (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-manta (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-raspi2 (Ubuntu Vivid):
status: New → Won't Fix
Andy Whitcroft (apw)
Changed in linux-ti-omap4 (Ubuntu Vivid):
status: New → Won't Fix
Changed in linux (Ubuntu Xenial):
assignee: nobody → Edward Haigh (funcylambda)
Changed in linux (Ubuntu Xenial):
assignee: Edward Haigh (funcylambda) → nobody
Brad Figg (brad-figg)
tags: added: cscc
Revision history for this message
Steve Langasek (vorlon) wrote :

The Precise Pangolin has reached end of life, so this bug will not be fixed for that release

Changed in linux (Ubuntu Precise):
status: New → Won't Fix
Changed in linux-ti-omap4 (Ubuntu Precise):
status: New → Won't Fix
Changed in linux-lts-trusty (Ubuntu Precise):
status: New → Won't Fix
Changed in linux-armadaxp (Ubuntu Precise):
status: New → Won't Fix
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