CVE-2018-20961

Linux Kernel vulnerability

CVSS

9.8

EPSS

6.3%

EPSS pct

93th

Exploited

No known

In the Linux kernel before 4.16.4, a double free vulnerability in the f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the f_midi driver may allow attackers to cause a denial of service or possibly have unspecified other impact.

Affected vendor

Linux

Affected product

Linux Kernel

CVSS vector

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

Weakness type (CWE)

CWE-415 — Double Free

Published

2019-08-07

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 6.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2018-20961

Confirm whether Linux Linux Kernel is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-20961.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-20961

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