CVE-2019-19528

kernel: use-after-free bug caused by a malicious USB device in the drivers/usb/misc/iowarrior.c driver

Severity Score

6.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel before 5.3.7, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/usb/misc/iowarrior.c driver, aka CID-edc4746f253d.

En el kernel de Linux versiones anteriores a 5.3.7, se presenta un bug de uso de la memoria previamente liberada que puede ser causado por un dispositivo USB malicioso en el controlador del archivo drivers/usb/misc/iowarrior.c, también se conoce como CID-edc4746f253d.

A use-after-free flaw was found in iowarrior_disconnect in iowarrior USB driver module were a flag was simultaneously modified causing a race between a device open and disconnect. This flaw could allow a physical attacker to cause a denial of service (DoS) attack. This vulnerability could even lead to a kernel information leak problem.

*Credits: N/A

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-12-03 CVE Reserved
2019-12-03 CVE Published
2023-10-07 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (7)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2019/12/03/4	Mailing List

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c468a8aa790e0dfe0a7f8a39db282d39c2c00b46	2020-03-31
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=edc4746f253d907d048de680a621e121517f484b	2020-03-31

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html	2020-03-31
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.7	2020-03-31
https://access.redhat.com/security/cve/CVE-2019-19528	2021-05-18
https://bugzilla.redhat.com/show_bug.cgi?id=1783507	2021-05-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.3.7 Search vendor "Linux" for product "Linux Kernel" and version " < 5.3.7"		-		Affected