CVE-2015-8543

Published: 28 December 2015

The networking implementation in the Linux kernel through 4.3.3, as used in Android and other products, does not validate protocol identifiers for certain protocol families, which allows local users to cause a denial of service (NULL function pointer dereference and system crash) or possibly gain privileges by leveraging CLONE_NEWUSER support to execute a crafted SOCK_RAW application.

From the Ubuntu security team

郭永刚 discovered that the Linux kernel networking implementation did not validate protocol identifiers for certain protocol families, A local attacker could use this to cause a denial of service (system crash) or possibly gain administrative privileges.

Priority

Medium

CVSS 3 base score: 7.0

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by 79462ad02e861803b3840cc782248c7359451cd9
linux-2.6
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-ec2
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-mvl-dove
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc6)