CVE-2017-7273 — The cp_report_fixup function in drivers/hid/hid-cypress
The cp_report_fixup function in drivers/hid/hid-cypress.c in the Linux kernel 3.2 and 4.x before 4.9.4 allows physically proximate attackers to cause a denial of service (integer underflow) or possibly have unspecified other impact via a crafted HID report.
Published
2017-03-27T17:59:01.007
Last modified
2026-05-13T00:24:29.033
CVSS vector
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
01What is this vulnerability?
The cp_report_fixup function in drivers/hid/hid-cypress.c in the Linux kernel 3.2 and 4.x before 4.9.4 allows physically proximate attackers to cause a denial of service (integer underflow) or possibly have unspecified other impact via a crafted HID report.
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: 2017-03-27T17:59:01.007
- Last modified: 2026-05-13T00:24:29.033
09References
- git.kernel.org — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1ebb71…
- git.kernel.org — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4faec4…
- www.kernel.org — http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.4
- www.securityfocus.com — http://www.securityfocus.com/bid/97190
- github.com — https://github.com/torvalds/linux/commit/1ebb71143758f45dc0fa76e2f48429e13b16d11…
- git.kernel.org — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1ebb71…
- git.kernel.org — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4faec4…
- www.kernel.org — http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.4
- www.securityfocus.com — http://www.securityfocus.com/bid/97190
- github.com — https://github.com/torvalds/linux/commit/1ebb71143758f45dc0fa76e2f48429e13b16d11…
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