CVE-2016-7912
HIGHCVSS 7.8/10EPSS 2.11%
Last modified
CVE-2016-7912 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.. EPSS estimates a 2.11% chance of exploitation in the next 30 days.
Description
Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.
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 | >= 3.15, < 3.16.40 |
| Linux | Linux Kernel | >= 3.17, < 4.1.24 |
| Linux | Linux Kernel | >= 4.2, < 4.4.9 |
| Linux | Linux Kernel | >= 4.5, < 4.5.3 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38740a5b87d53ceb89eb2c970150f6e94e00373aIssue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/94197Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/38740a5b87d53ceb89eb2c970150f6e94e00373aIssue Tracking, Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38740a5b87d53ceb89eb2c970150f6e94e00373aIssue Tracking, Patch, Third Party Advisory
- http://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3Release Notes, Vendor Advisory
- http://www.securityfocus.com/bid/94197Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/38740a5b87d53ceb89eb2c970150f6e94e00373aIssue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-7912?
Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function/f_fs.c in the Linux kernel before 4.5.3 allows local users to gain privileges by accessing an I/O data structure after a certain callback call.
How severe is CVE-2016-7912?
CVE-2016-7912 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.
How do I fix CVE-2016-7912?
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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Are you affected by CVE-2016-7912?
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