What is CVE-2017-5986?

CVE-2017-5986 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2017-5986 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2017-5986?

CVE-2017-5986 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2017-5986?

No patch is currently available for CVE-2017-5986. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2017-5986 actively exploited?

CVE-2017-5986 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-2017-5986

Medium

Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.

Package Linux Kernel

Published 2017-02-18

Last modified 2026-05-13

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2017-5986 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-2017-5986 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
Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11

Release Notes Vendor Advisory
Securityfocus
http://www.securityfocus.com/bid/96222
Red Hat
https://access.redhat.com/errata/RHSA-2017:1308
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2017/02/14/6
Patch
Kernel patch commit
https://bugzilla.redhat.com/show_bug.cgi?id=1420276
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2017-5986

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.0

Published 2017-02-18

Modified 2026-05-13

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2017-5986?

CVE-2017-5986 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2017-5986 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2017-5986?

CVE-2017-5986 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2017-5986?

No patch is currently available for CVE-2017-5986. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2017-5986 actively exploited?

No — CVE-2017-5986 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 →