CVE-2016-7118
Published: 31 August 2016
fs/fcntl.c in the "aufs 3.2.x+setfl-debian" patch in the linux-image package 3.2.0-4 (kernel 3.2.81-1) in Debian wheezy mishandles F_SETFL fcntl calls on directories, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via standard filesystem operations, as demonstrated by scp from an AUFS filesystem.
Notes
Author | Note |
---|---|
jdstrand | android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support |
sbeattie | likely debian only, no F_SETFL in our aufs code |
Priority
Status
Package | Release | Status |
---|---|---|
linux Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(aufs setfl code not included)
|
trusty |
Not vulnerable
(aufs setfl code not included)
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Not vulnerable
(aufs setfl code not included)
|
|
yakkety |
Not vulnerable
(aufs setfl code not included)
|
|
zesty |
Not vulnerable
(aufs setfl code not included)
|
|
linux-armadaxp Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(aufs setfl code not included)
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-aws Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Not vulnerable
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-flo Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored)
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(abandoned)
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Does not exist
|
|
linux-gke Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-goldfish Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored)
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(abandoned)
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Ignored
(end of life)
|
|
linux-grouper Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-hwe Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-linaro-omap Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-linaro-shared Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-linaro-vexpress Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-quantal Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-raring Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-saucy Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-trusty Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(aufs setfl code not included)
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-utopic Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [end of standard support])
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-vivid Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was not-affected [aufs setfl code not included])
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-wily Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [end of standard support])
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Not vulnerable
(aufs setfl code not included)
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-maguro Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-mako Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored)
|
|
upstream |
Needs triage
|
|
xenial |
Ignored
(abandoned)
|
|
yakkety |
Ignored
(end of life)
|
|
zesty |
Does not exist
|
|
linux-manta Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
(trusty was ignored)
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-qcm-msm Launchpad, Ubuntu, Debian |
precise |
Ignored
(end of life)
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Not vulnerable
(aufs setfl code not included)
|
|
yakkety |
Not vulnerable
(aufs setfl code not included)
|
|
zesty |
Not vulnerable
(aufs setfl code not included)
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
precise |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Not vulnerable
(aufs setfl code not included)
|
|
yakkety |
Not vulnerable
(aufs setfl code not included)
|
|
zesty |
Not vulnerable
(aufs setfl code not included)
|
|
linux-ti-omap4 Launchpad, Ubuntu, Debian |
precise |
Not vulnerable
(aufs setfl code not included)
|
trusty |
Does not exist
|
|
upstream |
Not vulnerable
(aufs setfl code not included)
|
|
xenial |
Does not exist
|
|
yakkety |
Does not exist
|
|
zesty |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |