What is CVE-2016-8633?

CVE-2016-8633 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.8 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2016-8633 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-8633?

CVE-2016-8633 has a CVSS score of 6.8 out of 10, rated Medium severity. The vector string is CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2016-8633?

No patch is currently available for CVE-2016-8633. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-8633 actively exploited?

CVE-2016-8633 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2016-8633

Medium

drivers/firewire/net.c in the Linux kernel before 4.8.7, in certain unusual hardware configurations, allows remote attackers to execute arbitrary code via crafted fragmented packets.

Package Linux Kernel

Published 2016-11-28

Last modified 2026-05-06

CVSS version 3.0

Patch available

Awaiting data

CVSS 3.0 score

6.8

out of 10

Medium

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2016-8633 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-8633 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7

Release Notes
Openwall
http://www.openwall.com/lists/oss-security/2016/11/06/1

Mailing List Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/94149
Red Hat
https://access.redhat.com/errata/RHSA-2018:0676
Red Hat
https://access.redhat.com/errata/RHSA-2018:1062
Red Hat
https://access.redhat.com/errata/RHSA-2019:1170
Red Hat
https://access.redhat.com/errata/RHSA-2019:1190
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1391490

Issue Tracking
Eyalitkin
https://eyalitkin.wordpress.com/2016/11/06/cve-publication-cve-2016-8633/

Third Party Advisory
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=667121ace9dbafb368618dbabcf07901c962ddac
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/667121ace9dbafb368618dbabcf07901c962ddac
Patch

Details

CVE ID CVE-2016-8633

Severity Medium

CVSS score 6.8 / 10

CVSS version 3.0

Published 2016-11-28

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-8633?

CVE-2016-8633 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.8 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2016-8633 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-8633?

CVE-2016-8633 has a CVSS score of 6.8 out of 10, rated Medium severity (CVSS 3.0). The vector string is CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2016-8633?

No patch is currently available for CVE-2016-8633. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-8633 actively exploited?

No — CVE-2016-8633 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. View CWE-119 on MITRE CWE →