CVE Database›Document archive›CVE-2019-15220

CVE-2019-15220

kernel: Use-after-free in drivers/net/wireless/intersil/p54/p54usb.c

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Severity

Low

Red Hat Product Security

4.6

CVSS 3.0

Review impact separately from score.

Published · August 2, 2019

Updated · June 28, 2026

Description

A vulnerability was found in the Linux kernel in versions prior to 5.2.1. The Prism54 USB device driver is susceptible to malicious USB devices. An attacker able to add or remove USB devices could cause a memory corruption or crash leading to a denial of service. Availability is the highest threat to the system.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

To mitigate this issue (for rhel5), prevent modules p54pci, prism54 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.

CVSS / CWE

CVSS 3.0 · 4.6
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer