CVE-2017-14106 Information

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.

CVSS Vector

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

Reference

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/netdev@vger.kernel.org/msg186255.html

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5