What is CVE-2016-9120?

CVE-2016-9120 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Permissions, Privileges and Access Control flaw (CWE-264). CVE-2016-9120 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2016-9120?

CVE-2016-9120 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2016-9120?

No patch is currently available for CVE-2016-9120. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2016-9120 actively exploited?

CVE-2016-9120 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/264.html

CVE-2016-9120

High

Race condition in the ion_ioctl function in drivers/staging/android/ion/ion.c in the Linux kernel before 4.6 allows local users to gain privileges or cause a denial of service (use-after-free) by calling ION_IOC_FREE on two CPUs at the same time.

Package Linux Kernel

Published 2016-12-08

Last modified 2026-05-06

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-264

CVE-2016-9120 is a Permissions, Privileges and Access Control vulnerability

What is Permissions, Privileges and Access Control?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2016-9120 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Source
http://source.android.com/security/bulletin/2016-12-01.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/94669

Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9590232bb4f4cc824f3425a6e1349afbe6d6d2b7
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/9590232bb4f4cc824f3425a6e1349afbe6d6d2b7
Patch

Details

CVE ID CVE-2016-9120

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2016-12-08

Modified 2026-05-06

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2016-9120?

CVE-2016-9120 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a Permissions, Privileges and Access Control flaw (CWE-264) . CVE-2016-9120 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2016-9120?

CVE-2016-9120 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2016-9120?

No patch is currently available for CVE-2016-9120. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2016-9120 actively exploited?

No — CVE-2016-9120 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Permissions, Privileges and Access Control (CWE-264)?

Weaknesses in this category are related to the management of permissions, privileges, and access controls. View CWE-264 on MITRE CWE →