What is CVE-2017-8071?

CVE-2017-8071 is a medium-severity vulnerability in Linux Kernel, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2017-04-23.

How severe is CVE-2017-8071?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux Kernel

CVE-2017-8071

drivers/hid/hid-cp2112.c in the Linux kernel 4.9.x before 4.9.9 uses a spinlock without considering that sleeping is possible in a USB HID request callback, which allows local users to cause a denial of service (deadlock) via unspecified vectors.

Published 2017-04-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.4th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Linux Kernel — versions 4.9, 4.9.1, 4.9.2

Weakness classification (CWE)

CWE-404 — Improper Resource Shutdown or Release

References

git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch)
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9 (Release Notes, Vendor Advisory)
www.openwall.com/lists/oss-security/2017/04/16/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
www.securityfocus.com/bid/97991 (VDB Entry, Third Party Advisory, vdb-entry)
github.com/torvalds/linux/commit/7a7b5df84b6b4e5d599c7289526eed96541a0654 (Patch)

Frequently asked questions

What is CVE-2017-8071?: CVE-2017-8071 is a medium-severity vulnerability in Linux Kernel, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2017-04-23.
How severe is CVE-2017-8071?: Medium severity. CVSS v3 base score is 5.5 out of 10.