kernel: Crash on invalid USB device descriptors in visor driver
Published Feb 8, 2016
4.6
MEDIUMCVSS 3.0
EPSS 1.75%
Description
The clie_5_attach function in drivers/usb/serial/visor.c in the Linux kernel through 4.4.1 allows physically proximate attackers to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by inserting a USB device that lacks a bulk-out endpoint.
Affected products
No data.
Configuration 1
- 11
- 11
- 11
- 12
- 11
- 11
Configuration 2
- ≤ 4.4.1
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
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 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | 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 does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6 as the code with the flaw is not present in the products listed. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.75% (0.01750) | 77.02th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.84% (0.01839) | 76.12th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.50% (0.00503) | 63.28th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.69% (0.01691) | 70.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.52% (0.00515) | 64.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00356) | 72.90th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.36% (0.00356) | 71.25th | v3 (v2023.03.01) |
| Aug 22, 2023 | 0.36% (0.00356) | 68.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.30% (0.00297) | 64.53th | v3 (v2023.03.01) |
| Mar 6, 2023 | 15.58% (0.15579) | 96.00th | v2 (v2022.01.01) |
| Apr 1, 2022 | 15.58% (0.15579) | 95.64th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.58% (0.15579) | 92.54th | v2 (v2022.01.01) |
References (30)
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb3232138e37129e88240a98a1d2aba2187ff57c x_refsource_CONFIRMVendor Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2016/dsa-3448 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2016/dsa-3503 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/archive/1/537733/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/82975 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-2929-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2929-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2930-3 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2932-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2948-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2948-2 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2967-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2967-2 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2015-7566 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1283371 x_refsource_CONFIRMIssue TrackingVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1296466 x_refsource_CONFIRMIssue TrackingVDB Entry
- https://github.com/torvalds/linux/commit/cb3232138e37129e88240a98a1d2aba2187ff57c x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2015-7566
- https://security-tracker.debian.org/tracker/CVE-2015-7566 x_refsource_CONFIRMThird Party AdvisoryVDB Entry
- https://www.cve.org/CVERecord?id=CVE-2015-7566
- https://www.exploit-db.com/exploits/39540/ exploitx_refsource_EXPLOIT-DB
Change history (0)
No recorded changes yet.