What is CVE-2017-6346?

CVE-2017-6346 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2017-6346 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-6346?

CVE-2017-6346 has a CVSS score of 7.0 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2017-6346?

No patch is currently available for CVE-2017-6346. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-6346 actively exploited?

CVE-2017-6346 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2017-6346

High

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.

Package Linux Kernel

Published 2017-03-01

Last modified 2026-05-13

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.0

out of 10

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-362

CVE-2017-6346 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2017-6346 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
http://www.debian.org/security/2017/dsa-3804

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/96508

Third Party Advisory VDB Entry
Source
https://source.android.com/security/bulletin/2017-09-01

Third Party Advisory
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b
Patch
Kernel patch commit
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2017/02/28/6
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2017-6346

Severity High

CVSS score 7.0 / 10

CVSS version 3.1

Published 2017-03-01

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-6346?

CVE-2017-6346 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2017-6346 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-6346?

CVE-2017-6346 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2017-6346?

No patch is currently available for CVE-2017-6346. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-6346 actively exploited?

No — CVE-2017-6346 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →