CVE-2018-20169
MEDIUMCVSS 6.8/10EPSS 0.59%
Last modified
CVE-2018-20169 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.. EPSS estimates a 0.59% chance of exploitation in the next 30 days.
Description
An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.16.63 |
| Linux | Linux Kernel | >= 3.17, < 3.18.129 |
| Linux | Linux Kernel | >= 3.19, < 4.4.167 |
| Linux | Linux Kernel | >= 4.5, < 4.9.145 |
| Linux | Linux Kernel | >= 4.10, < 4.14.88 |
| Linux | Linux Kernel | >= 4.15, < 4.19.9 |
| Canonical | Ubuntu Linux | 14.04 |
| Canonical | Ubuntu Linux | 16.04 |
| Debian | Debian Linux | 8.0 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cfMailing List, Patch, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory, VDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cfPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3879-1/Third Party Advisory
- https://usn.ubuntu.com/3879-2/Third Party Advisory
- https://usn.ubuntu.com/4094-1/Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/4118-1/Third Party Advisory, VDB Entry
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cfMailing List, Patch, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2019:3309Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2019:3517Third Party Advisory, VDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9Mailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cfPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3879-1/Third Party Advisory
- https://usn.ubuntu.com/3879-2/Third Party Advisory
- https://usn.ubuntu.com/4094-1/Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/4118-1/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-20169?
An issue was discovered in the Linux kernel before 4.19.9. The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.
How severe is CVE-2018-20169?
CVE-2018-20169 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20169?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2018
- CVE-2018-20162Digi TransPort LR54 4.4.0.26 and possible earlier devices ha…
- CVE-2018-20164An issue was discovered in regex.yaml (aka regexes.yaml) in …
- CVE-2018-20165Cross-site scripting (XSS) vulnerability in OpenText Portal …
- CVE-2018-20166A file-upload vulnerability exists in Rukovoditel 2.3.1. ind…
- CVE-2018-20167Terminology before 1.3.1 allows Remote Code Execution becaus…
- CVE-2018-20168Google gVisor before 2018-08-22 reuses a pagetable in a diff…
- CVE-2018-20170OpenStack Keystone through 14.0.1 has a user enumeration vul…
- CVE-2018-20171An issue was discovered in Nagios XI before 5.5.8. The url p…
- CVE-2018-20172An issue was discovered in Nagios XI before 5.5.8. The rss_u…
- CVE-2018-20173Zoho ManageEngine OpManager 12.3 before 123238 allows SQL in…
- CVE-2018-20174rdesktop versions up to and including v1.8.3 contain an Out-…
- CVE-2018-20175rdesktop versions up to and including v1.8.3 contains severa…
Are you affected by CVE-2018-20169?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST