CVE-2017-8071 — drivers/hid/hid-cp2112
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
2017-04-23T05:59:00.597
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
01What is this vulnerability?
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.
02Affected products
No structured affected-product list available — see references below for vendor advisories.
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2017-04-23T05:59:00.597
- Last modified: 2026-05-13T00:24:29.033
09References
- www.kernel.org — http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9
- www.openwall.com — http://www.openwall.com/lists/oss-security/2017/04/16/4
- www.securityfocus.com — http://www.securityfocus.com/bid/97991
- git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a…
- github.com — https://github.com/torvalds/linux/commit/7a7b5df84b6b4e5d599c7289526eed96541a065…
- www.kernel.org — http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.9
- www.openwall.com — http://www.openwall.com/lists/oss-security/2017/04/16/4
- www.securityfocus.com — http://www.securityfocus.com/bid/97991
- git.kernel.org — https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7a…
- github.com — https://github.com/torvalds/linux/commit/7a7b5df84b6b4e5d599c7289526eed96541a065…
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