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CVE-2016-4486

Published: 23 May 2016

The rtnl_fill_link_ifmap function in net/core/rtnetlink.c in the Linux kernel before 4.5.5 does not initialize a certain data structure, 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 routing netlink socket interface (rtnetlink) implementation in the Linux kernel. A local attacker could use this to obtain potentially sensitive information from kernel memory.

Priority

Medium

CVSS 3 base score: 3.3

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by 5f8e44741f9f216e33736ea4ec65ca9ac03036e6
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.6)