CVE-2017-14106

kernel: Divide-by-zero in __tcp_select_window

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La función tcp_disconnect en net/ipv4/tcp.c en el kernel de Linux en versiones anteriores a la 4.12 permite que usuarios locales provoquen una denegación de servicio allows local users to cause a denial of service (error __tcp_select_window de división por cero y bloqueo del sistema) desencadenando una desconexión en una ruta de código tcp_recvmsg determinada.

A divide-by-zero vulnerability was found in the __tcp_select_window function in the Linux kernel. This can result in a kernel panic causing a local denial of service.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-09-01 CVE Reserved
2017-09-01 CVE Published
2023-03-08 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-369: Divide By Zero

CAPEC

References (14)

URL	Tag	Source
http://www.securityfocus.com/bid/100878	Vdb Entry
http://www.securitytracker.com/id/1039549	Vdb Entry
https://www.mail-archive.com/netdev%40vger.kernel.org/msg186255.html	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8	2023-11-07
https://github.com/torvalds/linux/commit/499350a5a6e7512d9ed369ed63a4244b6536f4f8	2023-11-07

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html	2023-11-07
http://www.debian.org/security/2017/dsa-3981	2023-11-07
https://access.redhat.com/errata/RHSA-2017:2918	2023-11-07
https://access.redhat.com/errata/RHSA-2017:2930	2023-11-07
https://access.redhat.com/errata/RHSA-2017:2931	2023-11-07
https://access.redhat.com/errata/RHSA-2017:3200	2023-11-07
https://access.redhat.com/errata/RHSA-2018:2172	2023-11-07
https://access.redhat.com/security/cve/CVE-2017-14106	2018-07-11
https://bugzilla.redhat.com/show_bug.cgi?id=1487295	2018-07-11

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				<= 4.11.12 Search vendor "Linux" for product "Linux Kernel" and version " <= 4.11.12"		-		Affected