CVE-2016-7912
Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2016-7912- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2016-7912- Updated
- 2026-11-02
EUVDEUVD-2016-8761 No score
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.
- Record
EUVD-2016-8761- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rcjx-c5rp-m8jj
Use-after-free vulnerability in the ffs_user_copy_worker function in drivers/usb/gadget/function...
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.
- Record
GHSA-rcjx-c5rp-m8jj- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-416
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2016-7912- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-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.
- Record
DEBIAN-CVE-2016-7912- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-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.
- Record
UBUNTU-CVE-2016-7912- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
linuxDebian:12 |
before 4.5.3-1 | 4.5.3-1 |
linuxDebian:13 |
before 4.5.3-1 | 4.5.3-1 |
linuxDebian:14 |
before 4.5.3-1 | 4.5.3-1 |
linux-lts-xenialUbuntu:14.04:LTS |
before 4.4.0-24.43~14.04.1, plus listed versions 4.4.0-13.29~14.04.14.4.0-14.30~14.04.24.4.0-15.31~14.04.14.4.0-18.34~14.04.14.4.0-21.37~14.04.14.4.0-22.39~14.04.14.4.0-22.40~14.04.1 |
4.4.0-24.43~14.04.1 |
linuxUbuntu:16.04:LTS |
before 4.4.0-24.43, plus listed versions 4.2.0-16.194.2.0-17.214.2.0-19.234.3.0-1.104.3.0-2.11 Show 21 moreShow less4.3.0-5.164.3.0-6.174.3.0-7.184.4.0-2.164.4.0-4.194.4.0-6.214.4.0-7.224.4.0-8.234.4.0-9.244.4.0-10.254.4.0-11.264.4.0-12.284.4.0-13.294.4.0-14.304.4.0-15.314.4.0-16.324.4.0-17.334.4.0-18.344.4.0-21.374.4.0-22.394.4.0-22.40 |
4.4.0-24.43 |
linux-raspi2Ubuntu:16.04:LTS |
before 4.4.0-1012.16, plus listed versions 4.2.0-1013.194.2.0-1014.214.3.0-1006.64.4.0-1003.44.4.0-1004.54.4.0-1009.104.4.0-1010.124.4.0-1010.13 |
4.4.0-1012.16 |
linux-snapdragonUbuntu:16.04:LTS |
before 4.4.0-1015.18, plus listed versions 4.4.0-1012.124.4.0-1013.144.4.0-1013.15 |
4.4.0-1015.18 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-7912 is a high vulnerability (CVSS 7.8) in Linux Kernel, published November 16, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.11%, the 81st percentile. Fixed in linux 4.5.3-1.
References
source.android.com/security/bulletin/2016-11-01.html
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=38740a5b87d53ceb89eb2c970150f6e94e00373a
securityfocus.com/bid/94197
kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3
github.com/torvalds/linux/commit/38740a5b87d53ceb89eb2c970150f6e94e00373a
nvd.nist.gov/vuln/detail/CVE-2016-7912