What is CVE-2016-8650?

CVE-2016-8650 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2016-8650 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-8650?

CVE-2016-8650 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:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2016-8650?

No patch is currently available for CVE-2016-8650. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-8650 actively exploited?

CVE-2016-8650 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2016-8650

Medium

The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent.

Package Linux Kernel

Published 2016-11-28

Last modified 2026-05-06

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

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-20

CVE-2016-8650 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-8650 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Seclists
http://seclists.org/fulldisclosure/2016/Nov/76

Mailing List
Openwall
http://www.openwall.com/lists/oss-security/2016/11/24/8

Mailing List Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/94532
Securitytracker
http://www.securitytracker.com/id/1037968
Red Hat
https://access.redhat.com/errata/RHSA-2017:0931
Red Hat
https://access.redhat.com/errata/RHSA-2017:0932
Red Hat
https://access.redhat.com/errata/RHSA-2017:0933
Red Hat
https://access.redhat.com/errata/RHSA-2018:1854
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=1395187

Issue Tracking
Source
https://source.android.com/security/bulletin/2017-03-01.html
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5527fffff3f002b0a6b376163613b82f69de073
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073
Patch

Details

CVE ID CVE-2016-8650

Severity Medium

CVSS score 5.5 / 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-2016-8650?

CVE-2016-8650 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2016-8650 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-8650?

CVE-2016-8650 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:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2016-8650?

No patch is currently available for CVE-2016-8650. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-8650 actively exploited?

No — CVE-2016-8650 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Input Validation (CWE-20)?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. View CWE-20 on MITRE CWE →