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CVE-2015-7799

Published: 19 October 2015

The slhc_init function in drivers/net/slip/slhc.c in the Linux kernel through 4.2.3 does not ensure that certain slot numbers are valid, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted PPPIOCSMAXCID ioctl call.

From the Ubuntu security team

郭永刚 discovered that the ppp implementation in the Linux kernel did not ensure that certain slot numbers are valid. A local attacker with the privilege to call ioctl() on /dev/ppp could cause a denial of service (system crash).

Priority

Negligible

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by 0baa57d8dc32db78369d8b5176ef56c5e2e18ab3
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by 4ab42d78e37a294ac7bc56901d563c642e03c4ae
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-ec2
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-fsl-imx51
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-mvl-dove
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.4~rc1)