CVE-2019-15504

9.8 CRITICAL 4% exploit odds No fix listed Memory safety OS & kernel

What it is

drivers/net/wireless/rsi/rsi_91x_usb.c in the Linux kernel through 5.2.9 has a Double Free via crafted USB device traffic (which may be remote via usbip or usbredir).

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 4.3% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2019-08-23 00:00 UTC ReservedThe CVE id was reserved by its CNA
2019-08-23 06:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:20 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 4.3% in the next 30 days (EPSS).
Severity: 9.8 CRITICAL (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2019-08-23 06:15 UTC
Last modified: 2026-06-17 02:20 UTC
Exploit probability: 4.3% · EPSS, next 30 days
Weakness: CWE-415
Record status: Modified

Affected

Linux Kernel < 4.19.74
Linux Kernel < 5.2.16
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.04

Attack profile CVSS 3.1 · 9.8

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

Raw vector

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

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-2019-15504.md and follow it. Check whether this project is affected by CVE-2019-15504. 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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References

NVD record · CVE.org record