Candidate: CVE-2018-16597
PublicDate: 2018-09-21 16:29:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16597
 https://bugzilla.suse.com/show_bug.cgi?id=1106512
 https://git.kernel.org/linus/c0ca3d70e8d3cf81e2255a217f7ca402f5ed0862
 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eea2fb4851e9dcbab6b991aaf47e2e024f1f55a0
Description:
 An issue was discovered in the Linux kernel before 4.8. Incorrect access
 checking in overlayfs mounts could be used by local attackers to modify or
 truncate files in the underlying filesystem.
Ubuntu-Description:
Notes:
 sbeattie> according to https://bugzilla.suse.com/show_bug.cgi?id=1106512#c26
   eea2fb4851e9dcbab6b991aaf47e2e024f1f55a0 is not relevant to this issue.
 tyhicks> Ubuntu carries an out-of-tree patch, in some Ubuntu releases, that
  fixes this flaw:
  https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/xenial/commit/?id=98a3740920f8f3362c1ac50598af2dc632f5051a
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N [5.5 MEDIUM]

Patches_linux:
 break-fix: e9be9d5e76e34872f0c37d72e25bc27fe9e2c54c c0ca3d70e8d3cf81e2255a217f7ca402f5ed0862|local-2015-1328-fix
upstream_linux: released (4.8~rc1)
precise/esm_linux: not-affected
trusty_linux: not-affected
trusty/esm_linux: not-affected
xenial_linux: not-affected (4.2.0-16.19)
esm-infra/xenial_linux: not-affected (4.2.0-16.19)
bionic_linux: not-affected (4.13.0-16.19)
cosmic_linux: not-affected (4.15.0-20.21)
devel_linux: not-affected (4.15.0-20.21)

Patches_linux-lts-trusty:
upstream_linux-lts-trusty: released (4.8~rc1)
precise/esm_linux-lts-trusty: not-affected
trusty_linux-lts-trusty: DNE
trusty/esm_linux-lts-trusty: DNE
xenial_linux-lts-trusty: DNE
bionic_linux-lts-trusty: DNE
cosmic_linux-lts-trusty: DNE
devel_linux-lts-trusty: DNE

Patches_linux-goldfish:
upstream_linux-goldfish: released (4.8~rc1)
precise/esm_linux-goldfish: DNE
trusty_linux-goldfish: ignored (abandoned)
trusty/esm_linux-goldfish: DNE (trusty was ignored [abandoned])
xenial_linux-goldfish: ignored (end-of-life)
bionic_linux-goldfish: DNE
cosmic_linux-goldfish: DNE
devel_linux-goldfish: DNE

Patches_linux-grouper:
upstream_linux-grouper: released (4.8~rc1)
precise/esm_linux-grouper: DNE
trusty_linux-grouper: ignored (abandoned)
trusty/esm_linux-grouper: DNE (trusty was ignored [abandoned])
xenial_linux-grouper: DNE
bionic_linux-grouper: DNE
cosmic_linux-grouper: DNE
devel_linux-grouper: DNE

Patches_linux-maguro:
upstream_linux-maguro: released (4.8~rc1)
precise/esm_linux-maguro: DNE
trusty_linux-maguro: ignored (abandoned)
trusty/esm_linux-maguro: DNE (trusty was ignored [abandoned])
xenial_linux-maguro: DNE
bionic_linux-maguro: DNE
cosmic_linux-maguro: DNE
devel_linux-maguro: DNE

Patches_linux-mako:
upstream_linux-mako: released (4.8~rc1)
precise/esm_linux-mako: DNE
trusty_linux-mako: ignored (abandoned)
trusty/esm_linux-mako: DNE (trusty was ignored [abandoned])
xenial_linux-mako: ignored (abandoned)
bionic_linux-mako: DNE
cosmic_linux-mako: DNE
devel_linux-mako: DNE

Patches_linux-manta:
upstream_linux-manta: released (4.8~rc1)
precise/esm_linux-manta: DNE
trusty_linux-manta: ignored (abandoned)
trusty/esm_linux-manta: DNE (trusty was ignored [abandoned])
xenial_linux-manta: DNE
bionic_linux-manta: DNE
cosmic_linux-manta: DNE
devel_linux-manta: DNE

Patches_linux-flo:
upstream_linux-flo: released (4.8~rc1)
precise/esm_linux-flo: DNE
trusty_linux-flo: ignored (abandoned)
trusty/esm_linux-flo: DNE (trusty was ignored [abandoned])
xenial_linux-flo: ignored (abandoned)
bionic_linux-flo: DNE
cosmic_linux-flo: DNE
devel_linux-flo: DNE

Patches_linux-raspi2:
upstream_linux-raspi2: released (4.8~rc1)
precise/esm_linux-raspi2: DNE
trusty_linux-raspi2: DNE
trusty/esm_linux-raspi2: DNE
xenial_linux-raspi2: not-affected (4.2.0-1013.19)
bionic_linux-raspi2: not-affected (4.13.0-1005.5)
cosmic_linux-raspi2: not-affected (4.15.0-1010.11)
devel_linux-raspi2: not-affected (4.15.0-1010.11)

Patches_linux-lts-utopic:
upstream_linux-lts-utopic: released (4.8~rc1)
precise/esm_linux-lts-utopic: DNE
trusty_linux-lts-utopic: ignored (out of standard support)
trusty/esm_linux-lts-utopic: DNE (trusty was ignored [out of standard support])
xenial_linux-lts-utopic: DNE
bionic_linux-lts-utopic: DNE
cosmic_linux-lts-utopic: DNE
devel_linux-lts-utopic: DNE

Patches_linux-lts-vivid:
upstream_linux-lts-vivid: released (4.8~rc1)
precise/esm_linux-lts-vivid: DNE
trusty_linux-lts-vivid: ignored (out of standard support)
trusty/esm_linux-lts-vivid: DNE (trusty was ignored [out of standard support])
xenial_linux-lts-vivid: DNE
bionic_linux-lts-vivid: DNE
cosmic_linux-lts-vivid: DNE
devel_linux-lts-vivid: DNE

Patches_linux-lts-wily:
upstream_linux-lts-wily: released (4.8~rc1)
precise/esm_linux-lts-wily: DNE
trusty_linux-lts-wily: ignored (out of standard support)
trusty/esm_linux-lts-wily: DNE (trusty was ignored [out of standard support])
xenial_linux-lts-wily: DNE
bionic_linux-lts-wily: DNE
cosmic_linux-lts-wily: DNE
devel_linux-lts-wily: DNE

Patches_linux-lts-xenial:
upstream_linux-lts-xenial: released (4.8~rc1)
precise/esm_linux-lts-xenial: DNE
trusty_linux-lts-xenial: not-affected (4.4.0-13.29~14.04.1)
trusty/esm_linux-lts-xenial: not-affected (4.4.0-13.29~14.04.1)
xenial_linux-lts-xenial: DNE
bionic_linux-lts-xenial: DNE
cosmic_linux-lts-xenial: DNE
devel_linux-lts-xenial: DNE

Patches_linux-snapdragon:
upstream_linux-snapdragon: released (4.8~rc1)
precise/esm_linux-snapdragon: DNE
trusty_linux-snapdragon: DNE
trusty/esm_linux-snapdragon: DNE
xenial_linux-snapdragon: not-affected (4.4.0-1012.12)
bionic_linux-snapdragon: not-affected
cosmic_linux-snapdragon: DNE
devel_linux-snapdragon: DNE

Patches_linux-aws:
upstream_linux-aws: released (4.8~rc1)
precise/esm_linux-aws: DNE
trusty_linux-aws: not-affected (4.4.0-1002.2)
trusty/esm_linux-aws: not-affected (4.4.0-1002.2)
xenial_linux-aws: not-affected (4.4.0-1001.10)
esm-infra/xenial_linux-aws: not-affected (4.4.0-1001.10)
bionic_linux-aws: not-affected (4.15.0-1001.1)
cosmic_linux-aws: not-affected (4.15.0-1007.7)
devel_linux-aws: not-affected (4.15.0-1007.7)

Patches_linux-hwe:
upstream_linux-hwe: released (4.8~rc1)
precise/esm_linux-hwe: DNE
trusty_linux-hwe: DNE
trusty/esm_linux-hwe: DNE
xenial_linux-hwe: not-affected (4.8.0-36.36~16.04.1)
esm-infra/xenial_linux-hwe: not-affected (4.8.0-36.36~16.04.1)
bionic_linux-hwe: not-affected
cosmic_linux-hwe: DNE
devel_linux-hwe: DNE

Patches_linux-hwe-edge:
upstream_linux-hwe-edge: released (4.8~rc1)
precise/esm_linux-hwe-edge: DNE
trusty_linux-hwe-edge: DNE
trusty/esm_linux-hwe-edge: DNE
xenial_linux-hwe-edge: not-affected (4.8.0-36.36~16.04.1)
esm-infra/xenial_linux-hwe-edge: not-affected (4.8.0-36.36~16.04.1)
bionic_linux-hwe-edge: not-affected (4.18.0-8.9~18.04.1)
cosmic_linux-hwe-edge: DNE
devel_linux-hwe-edge: DNE

Patches_linux-gke:
upstream_linux-gke: released (4.8~rc1)
precise/esm_linux-gke: DNE
trusty_linux-gke: DNE
trusty/esm_linux-gke: DNE
xenial_linux-gke: ignored (end-of-life)
bionic_linux-gke: DNE
cosmic_linux-gke: DNE
devel_linux-gke: DNE

Patches_linux-azure:
upstream_linux-azure: released (4.8~rc1)
precise/esm_linux-azure: DNE
trusty_linux-azure: not-affected (4.15.0-1023.24~14.04.1)
trusty/esm_linux-azure: not-affected (4.15.0-1023.24~14.04.1)
xenial_linux-azure: not-affected (4.11.0-1009.9)
esm-infra/xenial_linux-azure: not-affected (4.11.0-1009.9)
bionic_linux-azure: not-affected (4.15.0-1002.2)
cosmic_linux-azure: not-affected (4.15.0-1009.9)
devel_linux-azure: not-affected (4.15.0-1009.9)

Patches_linux-azure-edge:
upstream_linux-azure-edge: released (4.8~rc1)
precise/esm_linux-azure-edge: DNE
trusty_linux-azure-edge: DNE
trusty/esm_linux-azure-edge: DNE
xenial_linux-azure-edge: not-affected (4.15.0-1002.2)
bionic_linux-azure-edge: not-affected (4.18.0-1003.3~18.04.1)
cosmic_linux-azure-edge: DNE
devel_linux-azure-edge: DNE

Patches_linux-gcp:
upstream_linux-gcp: released (4.8~rc1)
precise/esm_linux-gcp: DNE
trusty_linux-gcp: DNE
trusty/esm_linux-gcp: DNE
xenial_linux-gcp: not-affected (4.10.0-1004.4)
esm-infra/xenial_linux-gcp: not-affected (4.10.0-1004.4)
bionic_linux-gcp: not-affected (4.15.0-1001.1)
cosmic_linux-gcp: not-affected (4.15.0-1006.6)
devel_linux-gcp: not-affected (4.15.0-1006.6)

Patches_linux-kvm:
upstream_linux-kvm: released (4.8~rc1)
precise/esm_linux-kvm: DNE
trusty_linux-kvm: DNE
trusty/esm_linux-kvm: DNE
xenial_linux-kvm: not-affected (4.4.0-1004.9)
esm-infra/xenial_linux-kvm: not-affected (4.4.0-1004.9)
bionic_linux-kvm: not-affected (4.15.0-1002.2)
cosmic_linux-kvm: not-affected (4.15.0-1008.8)
devel_linux-kvm: not-affected (4.15.0-1008.8)

Patches_linux-euclid:
upstream_linux-euclid: released (4.8~rc1)
precise/esm_linux-euclid: DNE
trusty_linux-euclid: DNE
trusty/esm_linux-euclid: DNE
xenial_linux-euclid: ignored (was needed ESM criteria)
bionic_linux-euclid: DNE
cosmic_linux-euclid: DNE
devel_linux-euclid: DNE

Patches_linux-oem:
upstream_linux-oem: released (4.8~rc1)
precise/esm_linux-oem: DNE
trusty_linux-oem: DNE
trusty/esm_linux-oem: DNE
xenial_linux-oem: not-affected (4.13.0-1008.9)
bionic_linux-oem: not-affected (4.15.0-1002.3)
cosmic_linux-oem: not-affected (4.15.0-1004.5)
devel_linux-oem: not-affected (4.15.0-1004.5)