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CVE-2018-1065

Published: 2 March 2018

The netfilter subsystem in the Linux kernel through 4.15.7 mishandles the case of a rule blob that contains a jump but lacks a user-defined chain, which allows local users to cause a denial of service (NULL pointer dereference) by leveraging the CAP_NET_RAW or CAP_NET_ADMIN capability, related to arpt_do_table in net/ipv4/netfilter/arp_tables.c, ipt_do_table in net/ipv4/netfilter/ip_tables.c, and ip6t_do_table in net/ipv6/netfilter/ip6_tables.c.

From the Ubuntu security team

It was discovered that the netfilter subsystem in the Linux kernel did not validate that rules containing jumps contained user-defined chains. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Priority

Medium

CVSS 3 base score: 4.7

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(4.15.0-13.14)
cosmic Not vulnerable
(4.15.0-20.21)
precise Not vulnerable

trusty Not vulnerable

upstream
Released (4.16~rc3)
xenial
Released (4.4.0-127.153)
linux-armadaxp
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-aws
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1003.3)
cosmic Not vulnerable
(4.15.0-1007.7)
precise Does not exist

trusty
Released (4.4.0-1022.22)
upstream
Released (4.16~rc3)
xenial
Released (4.4.0-1060.69)
linux-azure
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1003.3)
cosmic Not vulnerable
(4.15.0-1009.9)
precise Does not exist

trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
upstream
Released (4.16~rc3)
xenial
Released (4.15.0-1013.13~16.04.2)
linux-azure-edge
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(4.18.0-1003.3~18.04.1)
cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Not vulnerable
(4.15.0-1003.3)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Ignored
(was needed ESM criteria)
linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.16~rc3)
xenial Ignored
(abandoned)
linux-gcp
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1003.3)
cosmic Not vulnerable
(4.15.0-1006.6)
precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial
Released (4.15.0-1014.14~16.04.1)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Ignored
(was needed now end-of-life)
linux-goldfish
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.16~rc3)
xenial Not vulnerable

linux-grouper
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.16~rc3)
xenial Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial
Released (4.15.0-24.26~16.04.1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.18.0-8.9~18.04.1)
cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial
Released (4.15.0-24.26~16.04.1)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1003.3)
cosmic Not vulnerable
(4.15.0-1008.8)
precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial
Released (4.4.0-1026.31)
linux-linaro-omap
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-linaro-shared
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-linaro-vexpress
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-quantal
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end-of-life)
trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-raring
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end-of-life)
trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Ignored
(end-of-life)
trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Not vulnerable

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-utopic
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [out of standard support])
upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-vivid
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [was needs-triage now end-of-life])
upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-wily
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [out of standard support])
upstream
Released (4.16~rc3)
xenial Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty
Released (4.4.0-127.153~14.04.1)
upstream
Released (4.16~rc3)
xenial Does not exist

linux-maguro
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.16~rc3)
xenial Does not exist

linux-mako
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.16~rc3)
xenial Ignored
(abandoned)
linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
upstream
Released (4.16~rc3)
xenial Does not exist

linux-oem
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Not vulnerable
(4.15.0-1002.3)
cosmic Not vulnerable
(4.15.0-1004.5)
precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Ignored
(was needed now end-of-life)
linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
artful Ignored
(reached end-of-life)
bionic Not vulnerable
(4.15.0-1006.7)
cosmic Not vulnerable
(4.15.0-1010.11)
precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial
Released (4.4.0-1090.98)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful
Released (4.4.0-1093.98)
bionic Not vulnerable

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial
Released (4.4.0-1093.98)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

bionic Does not exist

cosmic Does not exist

precise Does not exist

trusty Does not exist

upstream
Released (4.16~rc3)
xenial Does not exist