kernel: media: use-after-free in USB gadget driver
Published Nov 16, 2016
7.8
HIGHCVSS 3.1
EPSS 2.11%
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.
Affected products
No data.
- ≥ 3.15 · < 3.16.40
- ≥ 3.17 · < 4.1.24
- ≥ 4.2 · < 4.4.9
- ≥ 4.5 · < 4.5.3
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG-2 as the code with the flaw is not present in the products listed.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:M/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.11% (0.02110) | 81.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.11% (0.02110) | 79.32th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.28% (0.00279) | 49.31th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00082) | 36.73th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.08% (0.00082) | 35.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00082) | 33.18th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (9)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38740a5b87d53ceb89eb2c970150f6e94e00373a x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- http://source.android.com/security/bulletin/2016-11-01.html x_refsource_CONFIRMThird Party Advisory
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3 x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.securityfocus.com/bid/94197 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2016-7912 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1403747 Issue Tracking
- https://github.com/torvalds/linux/commit/38740a5b87d53ceb89eb2c970150f6e94e00373a x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2016-7912
- https://www.cve.org/CVERecord?id=CVE-2016-7912
| Link | Providers | Tags |
|---|---|---|
| http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=38740a5b87d53ceb89eb2c970150f6e94e00373a | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| http://source.android.com/security/bulletin/2016-11-01.html | x_refsource_CONFIRMThird Party Advisory | |
| http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.3 | x_refsource_CONFIRMRelease NotesVendor Advisory | |
| http://www.securityfocus.com/bid/94197 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2016-7912 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1403747 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/38740a5b87d53ceb89eb2c970150f6e94e00373a | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-7912 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-7912 |
Change history (0)
No recorded changes yet.