kernel: Crash on invalid USB device descriptors (cdc_acm driver)
Published May 2, 2016
4.6
MEDIUMCVSS 3.0
EPSS 0.55%
Description
The acm_probe function in drivers/usb/class/cdc-acm.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) via a USB device without both a control and a data endpoint descriptor.
Affected products
No data.
Configuration 1
- ≤ 4.5.0
Configuration 2
- 12.04
Configuration 3
- 11.0
- 12.0
- 12.0
- 11.0
- 12.0
- 12.0
- 12.0
- 12.0
- 11.0
- 12.0
- 11.0
- 11.0
- 12.0
- 12.0
- 12.0
- 12.0
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-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-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
Red Hat statement
This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2. This has been rated as having Low security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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:N/UI:N/S:U/C:N/I:N/A:H
AV:L/AC:L/Au:N/C:N/I:N/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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.55% (0.00546) | 43.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.55% (0.00546) | 41.25th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.02% (0.00022) | 3.49th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.24% (0.00235) | 62.46th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.24% (0.00235) | 61.40th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00251) | 61.17th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (25)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8835ba4a39cf53f705417b3b3a94eb067673f2c9 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00060.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00054.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2016/dsa-3607 vendor-advisoryx_refsource_DEBIAN
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.1 x_refsource_CONFIRM
- http://www.openwall.com/lists/oss-security/2016/03/14/4 mailing-listx_refsource_MLIST
- http://www.ubuntu.com/usn/USN-2968-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2968-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2969-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2970-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2971-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2971-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2971-3 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2996-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2997-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2016-3138 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1316204 x_refsource_CONFIRMIssue Tracking
- https://github.com/torvalds/linux/commit/8835ba4a39cf53f705417b3b3a94eb067673f2c9 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2016-3138
- https://www.cve.org/CVERecord?id=CVE-2016-3138
Change history (0)
No recorded changes yet.