*** This bug is a security vulnerability ***
Public security bug reported:
A flaw was found in the way pipe_iov_copy_from_user() and
pipe_iov_copy_to_user() functions handled iovecs remaining len
accounting on failed atomic access. An unprivileged local user could
this flaw to crash the system or, potentially, escalate their privileges
on the system.
Break-Fix: - f0d1bec9d58d4c038d0ac958c9af82be6eb18045
Break-Fix: - 637b58c2887e5e57850865839cc75f59184b23d1
** Affects: linux (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-fsl-imx51 (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-lts-backport-maverick (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-lts-backport-natty (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-lts-quantal (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-manta (Ubuntu)
Importance: Medium
Status: New
** Affects: linux-mvl-dove (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-ec2 (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Precise)
Importance: Undecided
Status: New
** Affects: linux-lts-backport-natty (Ubuntu Precise)
Importance: Undecided
Status: New
** Affects: linux-lts-quantal (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-lts-raring (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-lts-saucy (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-lts-trusty (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux-lts-utopic (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-manta (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-mvl-dove (Ubuntu Precise)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Precise)
Importance: Medium
Status: New
** Affects: linux (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-fsl-imx51 (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-backport-maverick (Ubuntu Trusty)
Importance: Undecided
Status: New
** Affects: linux-lts-backport-natty (Ubuntu Trusty)
Importance: Undecided
Status: New
** Affects: linux-lts-quantal (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-lts-vivid (Ubuntu Trusty)
Importance: Medium
Status: New
** Affects: linux-mako (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-manta (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-mvl-dove (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Trusty)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Utopic)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Utopic)
Importance: Medium
Status: New
** Affects: linux-fsl-imx51 (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu Utopic)
Importance: Medium
Status: New
** Affects: linux-lts-backport-maverick (Ubuntu Utopic)
Importance: Undecided
Status: New
** Affects: linux-lts-backport-natty (Ubuntu Utopic)
Importance: Undecided
Status: New
** Affects: linux-lts-quantal (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu Utopic)
Importance: Medium
Status: New
** Affects: linux-manta (Ubuntu Utopic)
Importance: Medium
Status: New
** Affects: linux-mvl-dove (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Utopic)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Vivid)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Vivid)
Importance: Medium
Status: New
** Affects: linux-fsl-imx51 (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu Vivid)
Importance: Medium
Status: New
** Affects: linux-lts-backport-maverick (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-backport-natty (Ubuntu Vivid)
Importance: Undecided
Status: New
** Affects: linux-lts-quantal (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu Vivid)
Importance: Medium
Status: New
** Affects: linux-manta (Ubuntu Vivid)
Importance: Medium
Status: New
** Affects: linux-mvl-dove (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Vivid)
Importance: Medium
Status: Invalid
** Affects: linux (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-armadaxp (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-ec2 (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-flo (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-fsl-imx51 (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-goldfish (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-lts-backport-maverick (Ubuntu Wily)
Importance: Undecided
Status: New
** Affects: linux-lts-backport-natty (Ubuntu Wily)
Importance: Undecided
Status: New
** Affects: linux-lts-quantal (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-raring (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-saucy (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-trusty (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-utopic (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-lts-vivid (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-mako (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-manta (Ubuntu Wily)
Importance: Medium
Status: New
** Affects: linux-mvl-dove (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Affects: linux-ti-omap4 (Ubuntu Wily)
Importance: Medium
Status: Invalid
** Tags: kernel-cve-tracking-bug
** Tags added: kernel-cve-tracking-bug
** Information type changed from Public to Public Security
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2015-1805
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https://bugs.launchpad.net/bugs/1462170
Title:
CVE-2015-1805
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