Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.16.63 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620Mailing ListPatchVendor Advisory
- https://access.redhat.com/errata/RHSA-2019:3309Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:3517Third Party AdvisoryVDB Entry
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.htmlMailing ListThird 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 AdvisoryVDB Entry
- https://usn.ubuntu.com/4118-1/Third Party AdvisoryVDB Entry
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620Mailing ListPatchVendor Advisory
- https://access.redhat.com/errata/RHSA-2019:3309Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:3517Third Party AdvisoryVDB Entry
FAQ
What is CVE-2018-20169?
CVE-2018-20169 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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...
How severe is CVE-2018-20169?
CVE-2018-20169 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20169?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Canonical Ubuntu Linux, Debian Debian Linux.