CVE-2019-19947

4.6 MEDIUM 0.5% exploit odds Fix listed

What it is

In the Linux kernel through 5.4.6, there are information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c driver, aka CID-da2311a6385c.

At a glance

Exploitability: Can be exploited with physical access without logging in. High risk of data exposure.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2019-12-24 00:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:27 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.5% in the next 30 days (EPSS).
Severity: 4.6 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2019-12-24 00:15 UTC
Last modified: 2026-06-17 02:27 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-908
Record status: Modified

Affected

Linux Kernel ≤ 5.4.6
Debian Linux 8.0
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Netapp Active Iq Unified Manager
Netapp Cloud Backup

Attack profile CVSS 3.1 · 4.6

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2019-19947.md and follow it. Check whether this project is affected by CVE-2019-19947. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record