CVE-2017-14106
Published: 1 September 2017
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
From the Ubuntu Security Team
Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service (system crash).
Priority
Status
Package | Release | Status |
---|---|---|
linux Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(4.12.0-11.12)
|
bionic |
Not vulnerable
(4.13.0-16.19)
|
|
trusty |
Released
(3.13.0-133.182)
|
|
upstream |
Released
(4.12~rc3)
|
|
xenial |
Released
(4.4.0-97.120)
|
|
zesty |
Released
(4.10.0-37.41)
|
|
Patches: Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
linux-armadaxp Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-aws Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Not vulnerable
(4.4.0-1002.2)
|
|
xenial |
Released
(4.4.0-1038.47)
|
|
zesty |
Does not exist
|
|
bionic |
Not vulnerable
(4.15.0-1001.1)
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-azure Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
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
(4.12~rc3)
|
|
linux-euclid Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Ignored
(was needed ESM criteria)
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-flo Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
xenial |
Ignored
(abandoned)
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-gcp Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Released
(4.10.0-1007.7)
|
|
zesty |
Does not exist
|
|
bionic |
Not vulnerable
(4.15.0-1001.1)
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-gke Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Released
(4.4.0-1032.32)
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-goldfish Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
xenial |
Ignored
(end of life, was needed)
|
|
zesty |
Ignored
(end of life)
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-grouper Launchpad, Ubuntu, Debian |
artful |
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
(4.12~rc3)
|
|
linux-hwe Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Released
(4.10.0-37.41~16.04.1)
|
|
zesty |
Does not exist
|
|
bionic |
Not vulnerable
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Released
(4.10.0-37.41~16.04.1)
|
|
zesty |
Does not exist
|
|
bionic |
Released
(4.18.0-8.9~18.04.1)
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-kvm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Released
(4.4.0-1008.13)
|
|
zesty |
Does not exist
|
|
bionic |
Not vulnerable
(4.15.0-1002.2)
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-linaro-omap Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
linux-linaro-shared Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
linux-linaro-vexpress Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-lts-quantal Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-raring Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-lts-saucy Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
This package is not directly supported by the Ubuntu Security Team | ||
linux-lts-trusty Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-lts-utopic Launchpad, Ubuntu, Debian |
artful |
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
(4.12~rc3)
|
|
linux-lts-vivid Launchpad, Ubuntu, Debian |
artful |
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
(4.12~rc3)
|
|
linux-lts-wily Launchpad, Ubuntu, Debian |
artful |
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
(4.12~rc3)
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Released
(4.4.0-97.120~14.04.1)
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-maguro Launchpad, Ubuntu, Debian |
artful |
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
(4.12~rc3)
|
|
linux-mako Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
(trusty was ignored [abandoned])
|
|
xenial |
Ignored
(abandoned)
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-manta Launchpad, Ubuntu, Debian |
artful |
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
(4.12~rc3)
|
|
linux-oem Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
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
(4.12~rc3)
|
|
linux-qcm-msm Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
trusty |
Does not exist
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
|
bionic |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(4.13.0-1004.4)
|
trusty |
Does not exist
|
|
xenial |
Released
(4.4.0-1075.83)
|
|
zesty |
Released
(4.10.0-1019.22)
|
|
bionic |
Not vulnerable
(4.13.0-1005.5)
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
(4.4.0-1077.82)
|
trusty |
Does not exist
|
|
xenial |
Released
(4.4.0-1077.82)
|
|
zesty |
Released
(4.4.0-1077.82)
|
|
bionic |
Not vulnerable
|
|
upstream |
Released
(4.12~rc3)
|
|
linux-ti-omap4 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
bionic |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.12~rc3)
|
|
xenial |
Does not exist
|
|
zesty |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.5 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14106
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8
- https://ubuntu.com/security/notices/USN-3443-1
- https://ubuntu.com/security/notices/USN-3443-2
- https://ubuntu.com/security/notices/USN-3444-1
- https://ubuntu.com/security/notices/USN-3444-2
- https://ubuntu.com/security/notices/USN-3445-1
- https://ubuntu.com/security/notices/USN-3443-3
- https://ubuntu.com/security/notices/USN-3445-2
- NVD
- Launchpad
- Debian