CVE-2016-20022
CVE-2016-20022 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2016-10787
- Weakness: CWE-125
- Published:
- Last modified:
Description
In the Linux kernel before 4.8, usb_parse_endpoint in drivers/usb/core/config.c does not validate the wMaxPacketSize field of an endpoint descriptor. NOTE: This vulnerability only affects products that are no longer supported by the supplier.
Frequently asked questions
- What is CVE-2016-20022?
- In the Linux kernel before 4.8, usb_parse_endpoint in drivers/usb/core/config.c does not validate the wMaxPacketSize field of an endpoint descriptor. NOTE: This vulnerability only affects products that are no longer supported by the supplier.
- How severe is CVE-2016-20022?
- CVE-2016-20022 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2016-20022 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2016-20022?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2016-20022 have an EU (EUVD) identifier?
- Yes. CVE-2016-20022 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10787.
- When was CVE-2016-20022 published?
- CVE-2016-20022 was published on 2024-06-27 and last updated on 2026-06-17.
References
- https://github.com/torvalds/linux/commit/aed9d65ac3278d4febd8665bd7db59ef53e825fe
- https://lore.kernel.org/lkml/1486322541-8206-8-git-send-email-w%401wt.eu/
- https://www.spinics.net/lists/linux-usb/msg144177.html
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