kernel: Divide-by-zero in drivers/net/usb/cdc_ether.c
Published Nov 7, 2017
6.6
MEDIUMCVSS 3.0
EPSS 0.43%
Description
The usbnet_generic_cdc_bind function in drivers/net/usb/cdc_ether.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (divide-by-zero error and system crash) or possibly have unspecified other impact via a crafted USB device.
Affected products
No data.
- ≤ 4.13.11
No data.
Red Hat Enterprise Linux 5
kernel
Will not fix
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-alt
Will not fix
Red Hat Enterprise Linux 7
kernel-rt
Will not fix
Red Hat Enterprise MRG 2
realtime-kernel
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 6 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Will not fix | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/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 3, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.43% (0.00429) | 34.93th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.41% (0.00413) | 32.71th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00042) | 9.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.28% (0.01282) | 68.34th | v2 (v2022.01.01) |
| Feb 22, 2023 | 1.28% (0.01282) | 68.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.28% (0.01282) | 65.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.28% (0.01282) | 41.72th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.65% (0.01652) | 33.92th | v1 |
| Jan 6, 2022 | 1.65% (0.01652) | 33.22th | v1 |
| Sep 1, 2021 | 1.65% (0.01652) | 73.34th | v1 |
| Apr 14, 2021 | 1.65% (0.01652) | 0.00th | v1 |
References (15)
- http://www.securityfocus.com/bid/101761 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2017-16649 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1516267 Issue Tracking
- https://groups.google.com/d/msg/syzkaller/0e0gmaX9R0g/9Me9JcY2BQAJ x_refsource_MISCMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2017-16649
- https://patchwork.ozlabs.org/patch/834771/ x_refsource_MISCMailing ListThird Party Advisory
- https://usn.ubuntu.com/3617-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3617-3/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3822-1/ vendor-advisoryx_refsource_UBUNTU
- https://usn.ubuntu.com/3822-2/ vendor-advisoryx_refsource_UBUNTU
- https://www.cve.org/CVERecord?id=CVE-2017-16649
Change history (0)
No recorded changes yet.