CVE-2017-6346

Severity CVSS v4.0:

Pending analysis

Type:

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Publication date:

01/03/2017

Last modified:

20/04/2025

Description

Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.00 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

7.00

Severity 3.x

HIGH

Vector 2.0

AV:L/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 6.90 MEDIUM
Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

6.90

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	3.1 (including)	3.2.87 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.3 (including)	3.10.106 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.11 (including)	3.12.71 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.13 (including)	3.16.42 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.17 (including)	4.1.49 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.2 (including)	4.4.52 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.5 (including)	4.9.13 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2017-6346

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools