CVE-2018-20169 is a medium-severity vulnerability affecting the Linux kernel before version 4.19.9, specifically within the USB subsystem's handling of extra descriptor size checks. This flaw impacts various distributions including Canonical, Debian, and other Linux systems. The vulnerability carries a CVSS score of 6.8, indicating a high potential for impact on confidentiality, integrity, and availability, and can be exploited with physical access to the system without user interaction. Despite its potential severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.16.63CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 3.17, < 3.18.129CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 3.19, < 4.4.167CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.5, < 4.9.145CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.10, < 4.14.88CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2018-20169
Jun 11, 2024An 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.
Dec 11, 2018kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS
Dec 5, 2018