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CVE-2015-5327

Published: 25 September 2017

Out-of-bounds memory read in the x509_decode_time function in x509_cert_parser.c in Linux kernels 4.3-rc1 and after.

Notes

AuthorNote
seth-arnold
While fd19a3d195be23e8d9d0d66576b96ea25eea8323 looks like the actual
introduction of this issue, the code before this point didn't appear to do
any date validation; perhaps the 'break' point ought to be the introduction
of the crypto/asymmetric_keys/x509_cert_parser.c file instead.
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

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
upstream
Released (4.4~rc1)
precise Not vulnerable

trusty Not vulnerable

vivid Not vulnerable

wily Not vulnerable

xenial Not vulnerable
(4.3.0-1.10)
yakkety Not vulnerable
(4.4.0-21.37)
Patches:
Introduced by

fd19a3d195be23e8d9d0d66576b96ea25eea8323

Fixed by cc25b994acfbc901429da682d0f73c190e960206
linux-2.6
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-armadaxp
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Not vulnerable
(4.4.0-1002.2)
upstream
Released (4.4~rc1)
xenial Not vulnerable
(4.4.0-1001.10)
yakkety Does not exist

linux-ec2
Launchpad, Ubuntu, Debian
upstream
Released (4.4~rc1)
precise Does not exist

trusty Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-flo
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.4~rc1)
vivid Not vulnerable

wily Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

linux-fsl-imx51
Launchpad, Ubuntu, Debian
upstream
Released (4.4~rc1)
precise Does not exist

trusty Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-gke
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.4~rc1)
xenial Not vulnerable
(4.4.0-1003.3)
yakkety Does not exist

linux-goldfish
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.4~rc1)
vivid Not vulnerable

wily Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

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

trusty Does not exist
(trusty was ignored)
upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

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

trusty Does not exist

upstream
Released (4.4~rc1)
xenial Not vulnerable
(4.8.0-36.36~16.04.1)
yakkety Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.4~rc1)
xenial Not vulnerable
(4.8.0-36.36~16.04.1)
yakkety Does not exist

linux-linaro-omap
Launchpad, Ubuntu, Debian
upstream
Released (4.4~rc1)
precise Ignored
(end of life)
trusty Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-linaro-shared
Launchpad, Ubuntu, Debian
upstream
Released (4.4~rc1)
yakkety Does not exist

precise Ignored
(end of life)
trusty Does not exist

vivid Does not exist

wily Does not exist

xenial Does not exist

linux-linaro-vexpress
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-quantal
Launchpad, Ubuntu, Debian
precise Ignored
(end of life, was needs-triage)
trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-lts-saucy
Launchpad, Ubuntu, Debian
precise Ignored
(end of life, was needs-triage)
trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

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

trusty Does not exist
(trusty was not-affected)
upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

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

trusty Does not exist
(trusty was not-affected)
upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

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

trusty Does not exist
(trusty was not-affected)
upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

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

trusty Not vulnerable
(4.4.0-13.29~14.04.1)
upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

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

trusty Does not exist
(trusty was ignored)
upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

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

trusty Does not exist
(trusty was ignored)
upstream
Released (4.4~rc1)
vivid Not vulnerable

wily Not vulnerable

xenial Not vulnerable

yakkety Not vulnerable

linux-manta
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist
(trusty was ignored)
upstream
Released (4.4~rc1)
vivid Not vulnerable

wily Not vulnerable

xenial Does not exist

yakkety Does not exist

linux-mvl-dove
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-qcm-msm
Launchpad, Ubuntu, Debian
precise Ignored
(end of life)
trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Not vulnerable

xenial Not vulnerable
(4.3.0-1006.6)
yakkety Not vulnerable
(4.4.0-1009.10)
linux-snapdragon
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

upstream
Released (4.4~rc1)
wily Does not exist

xenial Not vulnerable
(4.4.0-1012.12)
yakkety Not vulnerable
(4.4.0-1012.12)
linux-ti-omap4
Launchpad, Ubuntu, Debian
precise Not vulnerable

trusty Does not exist

upstream
Released (4.4~rc1)
vivid Does not exist

wily Does not exist

xenial Does not exist

yakkety Does not exist

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact None
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N