CVE-2012-0056

EUVD-2012-0094
The mem_write function in the Linux kernel before 3.2.2, when ASLR is disabled, does not properly check permissions when writing to /proc/<pid>/mem, which allows local users to gain privileges by modifying process memory, as demonstrated by Mempodipper.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.9 UNKNOWN
LOCAL
MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C
Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
2.6.39 ≤
𝑥
< 3.0.18
linuxlinux_kernel
3.1 ≤
𝑥
< 3.2.2
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
hardy
not-affected
lucid
not-affected
maverick
not-affected
natty
not-affected
oneiric
Fixed 3.0.0-15.26
released
precise
not-affected
quantal
not-affected
saucy
not-affected
trusty
not-affected
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-aws
precise
dne
trusty
not-affected
xenial
not-affected
yakkety
dne
zesty
dne
linux-ec2
hardy
dne
lucid
not-affected
maverick
ignored
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-flo
lucid
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
dne
linux-fsl-imx51
hardy
dne
lucid
not-affected
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-gke
precise
dne
trusty
dne
xenial
not-affected
yakkety
dne
zesty
dne
linux-goldfish
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-grouper
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
ignored
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-hwe
precise
dne
trusty
dne
xenial
not-affected
yakkety
dne
zesty
dne
linux-hwe-edge
precise
dne
trusty
dne
xenial
not-affected
yakkety
dne
zesty
dne
linux-lts-backport-maverick
hardy
dne
lucid
not-affected
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-backport-natty
hardy
dne
lucid
not-affected
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-backport-oneiric
hardy
dne
lucid
Fixed 3.0.0-15.26~lucid1
released
maverick
dne
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-trusty
lucid
dne
precise
not-affected
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-utopic
lucid
dne
precise
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-vivid
lucid
dne
precise
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-wily
precise
dne
trusty
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-lts-xenial
precise
dne
trusty
not-affected
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-maguro
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-mako
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
dne
linux-manta
lucid
dne
precise
dne
quantal
dne
saucy
ignored
trusty
dne
utopic
not-affected
vivid
not-affected
wily
not-affected
xenial
dne
yakkety
dne
zesty
dne
linux-mvl-dove
hardy
dne
lucid
not-affected
maverick
not-affected
natty
dne
oneiric
dne
precise
dne
quantal
dne
saucy
dne
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
linux-raspi2
precise
dne
trusty
dne
vivid
dne
wily
not-affected
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-snapdragon
precise
dne
trusty
dne
wily
dne
xenial
not-affected
yakkety
not-affected
zesty
not-affected
linux-ti-omap4
hardy
dne
lucid
dne
maverick
not-affected
natty
not-affected
oneiric
Fixed 3.0.0-1207.16
released
precise
not-affected
quantal
not-affected
saucy
not-affected
trusty
dne
utopic
dne
vivid
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
Common Weakness Enumeration
References
http://blog.zx2c4.com/749
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc
http://secunia.com/advisories/47708
http://ubuntu.com/usn/usn-1336-1
http://www.kb.cert.org/vuls/id/470151
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
http://www.openwall.com/lists/oss-security/2012/01/18/1
http://www.openwall.com/lists/oss-security/2012/01/18/2
http://www.openwall.com/lists/oss-security/2012/01/19/4
http://www.openwall.com/lists/oss-security/2012/01/22/4
http://www.redhat.com/support/errata/RHSA-2012-0052.html
http://www.redhat.com/support/errata/RHSA-2012-0061.html
http://www.securityfocus.com/bid/51625
https://bugzilla.redhat.com/show_bug.cgi?id=782642
http://blog.zx2c4.com/749
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=e268337dfe26dfc7efd422a804dbb27977a3cccc
http://secunia.com/advisories/47708
http://ubuntu.com/usn/usn-1336-1
http://www.kb.cert.org/vuls/id/470151
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.2
http://www.openwall.com/lists/oss-security/2012/01/18/1
http://www.openwall.com/lists/oss-security/2012/01/18/2
http://www.openwall.com/lists/oss-security/2012/01/19/4
http://www.openwall.com/lists/oss-security/2012/01/22/4
http://www.redhat.com/support/errata/RHSA-2012-0052.html
http://www.redhat.com/support/errata/RHSA-2012-0061.html
http://www.securityfocus.com/bid/51625
https://bugzilla.redhat.com/show_bug.cgi?id=782642