CVE-2017-14106

MEDIUM

Description

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.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8

http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html

http://www.debian.org/security/2017/dsa-3981

http://www.securityfocus.com/bid/100878

http://www.securitytracker.com/id/1039549

https://access.redhat.com/errata/RHSA-2017:2918

https://access.redhat.com/errata/RHSA-2017:2930

https://access.redhat.com/errata/RHSA-2017:2931

https://access.redhat.com/errata/RHSA-2017:3200

https://access.redhat.com/errata/RHSA-2018:2172

https://github.com/torvalds/linux/commit/499350a5a6e7512d9ed369ed63a4244b6536f4f8

https://www.mail-archive.com/[email protected]/msg186255.html

Details

Source: MITRE

Published: 2017-09-01

Updated: 2018-07-13

Type: CWE-369

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM