CVE-2018-20169
Advisory lineage Upstream: 0 Downstream: 28
Modified
Published: 17 Dec 2018, 06:00
Last modified:05 Aug 2024, 11:51
Vulnerability Summary
Overall Risk (default)
medium
29/100 CVSS Score
7.2 HIGH
v2.0 (nvd)
EPSS Score
0.1% LOW
0% probability -0.01%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
17 Dec 2018, 06:00
Published
Vulnerability first disclosed
05 Aug 2024, 11:51
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 6.8CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.10%• Percentile: 27%
Techniques & Countermeasures
- CWE-400•Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04
- debian•debian_linux
8.0
- linux•linux_kernel
< 3.16.63 | ≥ 3.17, < 3.18.129 | ≥ 3.19, < 4.4.167 | ≥ 4.5, < 4.9.145 | ≥ 4.10, < 4.14.88 | ≥ 4.15, < 4.19.9
References (12)
- https://usn.ubuntu.com/3879-2/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=704620afc70cf47abb9d6a1a57f3825d2bca49cf
- https://usn.ubuntu.com/3879-1/
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.9
- https://github.com/torvalds/linux/commit/704620afc70cf47abb9d6a1a57f3825d2bca49cf
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/
- https://access.redhat.com/errata/RHSA-2019:3309
- https://access.redhat.com/errata/RHSA-2019:3517