CVE-2016-9120
HIGHCVSS 7.8/10EPSS 1.74%
Last modified
CVE-2016-9120 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.74% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 3.14, < 3.16.40 |
| Linux | Linux Kernel | >= 3.17, < 3.18.51 |
| Linux | Linux Kernel | >= 3.19, < 4.1.41 |
| Linux | Linux Kernel | >= 4.2, < 4.4.65 |
| Linux | Linux Kernel | >= 4.5, < 4.6 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Vendor Advisory
- http://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94669Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Vendor Advisory
- http://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
- http://www.securityfocus.com/bid/94669Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/9590232bb4f4cc824f3425a6e1349afbe6d6d2b7Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-9120?
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.
How severe is CVE-2016-9120?
CVE-2016-9120 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9120?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Scan your code nowSource: NVD / NIST