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CVE-2016-5243

Published: 27 June 2016

The tipc_nl_compat_link_dump function in net/tipc/netlink_compat.c in the Linux kernel through 4.6.3 does not properly copy a certain string, which allows local users to obtain sensitive information from kernel stack memory by reading a Netlink message.

From the Ubuntu security team

Kangjie Lu discovered an information leak in the netlink implementation of the Linux kernel. A local attacker could use this to obtain sensitive information from kernel memory.

Priority

Medium

CVSS 3 base score: 5.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by 5d2be1422e02ccd697ccfcd45c85b4a26e6178e2
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.7~rc3)