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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
6.8/10

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.59%

43.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 3.16.63
LinuxLinux Kernel>= 3.17, < 3.18.129
LinuxLinux Kernel>= 3.19, < 4.4.167
LinuxLinux Kernel>= 4.5, < 4.9.145
LinuxLinux Kernel>= 4.10, < 4.14.88
LinuxLinux Kernel>= 4.15, < 4.19.9
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
DebianDebian Linux8.0

References

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.

Are you affected by CVE-2018-20169?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST