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CVE-2017-0794

Published: 8 September 2017

A elevation of privilege vulnerability in the Upstream kernel scsi driver. Product: Android. Versions: Android kernel. Android ID: A-35644812.

From the Ubuntu Security Team

Pengfei Ding (丁鹏飞), Chenfu Bao (包沉浮), and Lenx Wei (韦韬) discovered a race condition in the generic SCSI driver (sg) of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code.

Notes

AuthorNote
sbeattie
may be partially addressed by 1bc0eb0446158cc76562176b80623aa119afee5b
tyhicks
The Android test case for this issue, linked to in the References
section, confirms that 1bc0eb0446158cc76562176b80623aa119afee5b is the fix
for this issue
Followup commits 8d26f491116f and e791ce27c3f6 added after
testing commit 1bc0eb044615 exposed SG_SET_RESERVED_SIZE ioctl
regressions

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
cosmic Not vulnerable
(4.15.0-20.21)
trusty
Released (3.13.0-161.211)
xenial
Released (4.4.0-98.121)
zesty Ignored
(end of life)
bionic Not vulnerable
(4.13.0-16.19)
upstream
Released (4.14~rc1)
Patches:
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 1bc0eb0446158cc76562176b80623aa119afee5b
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by e791ce27c3f6a1d3c746fd6a8f8e36c9540ec6f9
Introduced by

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Fixed by 8d26f491116feaa0b16de370b6a7ba40a40fa0b4
linux-armadaxp
Launchpad, Ubuntu, Debian
cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
artful Does not exist

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

cosmic Not vulnerable
(4.15.0-1007.7)
trusty Not vulnerable
(4.4.0-1002.2)
xenial
Released (4.4.0-1039.48)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.14~rc1)
linux-azure
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Not vulnerable
(4.15.0-1009.9)
trusty Not vulnerable
(4.15.0-1023.24~14.04.1)
xenial
Released (4.13.0-1005.7)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.14~rc1)
linux-azure-edge
Launchpad, Ubuntu, Debian
cosmic Does not exist

trusty Does not exist

xenial Not vulnerable
(4.15.0-1002.2)
bionic Not vulnerable
(4.18.0-1003.3~18.04.1)
upstream
Released (4.14~rc1)
linux-euclid
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Ignored
(was needs-triage ESM criteria)
zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-flo
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Ignored
(abandoned)
zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-gcp
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Not vulnerable
(4.15.0-1006.6)
trusty Does not exist

xenial
Released (4.13.0-1002.5)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1001.1)
upstream
Released (4.14~rc1)
linux-gke
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Ignored
(end of standard support, was needs-triage)
zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-goldfish
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Ignored
(end of life, was needs-triage)
zesty Ignored
(end of life)
bionic Does not exist

upstream
Released (4.14~rc1)
linux-grouper
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-hwe
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial
Released (4.13.0-26.29~16.04.2)
zesty Does not exist

bionic Not vulnerable

upstream
Released (4.14~rc1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial
Released (4.13.0-26.29~16.04.2)
zesty Does not exist

bionic Not vulnerable
(4.18.0-8.9~18.04.1)
upstream
Released (4.14~rc1)
linux-kvm
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Not vulnerable
(4.15.0-1008.8)
trusty Does not exist

xenial
Released (4.4.0-1009.14)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1002.2)
upstream
Released (4.14~rc1)
linux-linaro-omap
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc1)
bionic Does not exist

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

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-quantal
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc1)
bionic Does not exist

This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-saucy
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-utopic
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-vivid
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Ignored
(end of life, was needs-triage)
xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-wily
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [end of standard support])
xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-lts-xenial
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty
Released (4.4.0-98.121~14.04.1)
xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-maguro
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-mako
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Ignored
(abandoned)
zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-manta
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist
(trusty was ignored [abandoned])
xenial Does not exist

zesty Does not exist

upstream
Released (4.14~rc1)
bionic Does not exist

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

cosmic Not vulnerable
(4.15.0-1004.5)
trusty Does not exist

xenial Not vulnerable
(4.13.0-1008.9)
zesty Does not exist

bionic Not vulnerable
(4.15.0-1002.3)
upstream
Released (4.14~rc1)
linux-qcm-msm
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)
linux-raspi2
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
cosmic Not vulnerable
(4.15.0-1010.11)
trusty Does not exist

xenial
Released (4.4.0-1076.84)
zesty Ignored
(end of life)
bionic Not vulnerable
(4.13.0-1005.5)
upstream
Released (4.14~rc1)
linux-snapdragon
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
cosmic Does not exist

trusty Does not exist

xenial
Released (4.4.0-1078.83)
zesty Ignored
(end of life)
bionic Not vulnerable

upstream
Released (4.14~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
artful Does not exist

cosmic Does not exist

trusty Does not exist

xenial Does not exist

zesty Does not exist

bionic Does not exist

upstream
Released (4.14~rc1)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H