CVE-2019-19524

kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free

Severity Score

4.6

*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 5.3.12, there is a use-after-free bug that can be caused by a malicious USB device in the drivers/input/ff-memless.c driver, aka CID-fa3a5a1880c9.

En el kernel de Linux versiones anteriores a 5.3.12, 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/input/ff-memless.c, también se conoce como CID-fa3a5a1880c9.

A use-after-free flaw was found in the Linux kernel’s input device driver functionality when unplugging a device. A user with physical access could use this flaw to crash the system.

*Credits: N/A

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

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 (17)

URL	Tag	Source
http://packetstormsecurity.com/files/155890/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/12/03/4	Mailing List
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html	Mailing List
https://seclists.org/bugtraq/2020/Jan/10	Issue Tracking

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fa3a5a1880c91bb92594ad42dfe9eedad7996b86	2022-10-31

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html	2022-10-31
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.12	2022-10-31
https://usn.ubuntu.com/4225-1	2022-10-31
https://usn.ubuntu.com/4225-2	2022-10-31
https://usn.ubuntu.com/4226-1	2022-10-31
https://usn.ubuntu.com/4227-1	2022-10-31
https://usn.ubuntu.com/4227-2	2022-10-31
https://usn.ubuntu.com/4228-1	2022-10-31
https://usn.ubuntu.com/4228-2	2022-10-31
https://access.redhat.com/security/cve/CVE-2019-19524	2020-11-04
https://bugzilla.redhat.com/show_bug.cgi?id=1783459	2020-11-04

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"				< 5.3.12 Search vendor "Linux" for product "Linux Kernel" and version " < 5.3.12"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected