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CVE-2016-7039

Published: 10 October 2016

The IP stack in the Linux kernel through 4.8.2 allows remote attackers to cause a denial of service (stack consumption and panic) or possibly have unspecified other impact by triggering use of the GRO path for large crafted packets, as demonstrated by packets that contain only VLAN headers, a related issue to CVE-2016-8666.

From the Ubuntu security team

Vladim√≠r BeneŇ° discovered an unbounded recursion in the VLAN and TEB Generic Receive Offload (GRO) processing implementations in the Linux kernel, A remote attacker could use this to cause a stack corruption, leading to a denial of service (system crash).

Priority

High

CVSS 3 base score: 7.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
Patches:
Introduced by 9b174d88c257150562b0101fcc6cb6c3cb74275c
Fixed by fcd91dd449867c6bfe56a81cabba76b829fd05cd
Introduced by 66e5133f19e901a044fa5eaeeb6ecff4545839e5
Fixed by fcd91dd449867c6bfe56a81cabba76b829fd05cd
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.9~rc4)

Notes

AuthorNote
jdstrand
android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.10 and earlier preview kernels
linux-lts-saucy no longer receives official support
linux-lts-quantal no longer receives official support
sbeattie
third break-fix may get split out into a separate CVE.

References

Bugs