CVE-2020-15393

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel 4.4 through 5.7.6, usbtest_disconnect in drivers/usb/misc/usbtest.c has a memory leak, aka CID-28ebeb8db770.

En el kernel de Linux versión 4.4 hasta la versión 5.7.6, la función usbtest_disconnect en el archivo drivers/usb/misc/usbtest.c presenta una pérdida de memoria, también se conoce como CID-28ebeb8db770

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-06-29 CVE Reserved
2020-06-29 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-401: Missing Release of Memory after Effective Lifetime

CAPEC

References (12)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html	Mailing List
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html	Mailing List
https://lkml.org/lkml/2020/6/2/968	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=831eebad70a25f55b5745453ac252d4afe997187	2022-04-28
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=28ebeb8db77035e058a510ce9bd17c2b9a009dba	2022-04-28

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html	2022-04-28
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html	2022-04-28
https://usn.ubuntu.com/4463-1	2022-04-28
https://usn.ubuntu.com/4465-1	2022-04-28
https://usn.ubuntu.com/4483-1	2022-04-28
https://usn.ubuntu.com/4485-1	2022-04-28

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"				>= 4.4 <= 5.7.6 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.4 <= 5.7.6"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.1 Search vendor "Opensuse" for product "Leap" and version "15.1"		-		Affected
Opensuse Search vendor "Opensuse"		Leap Search vendor "Opensuse" for product "Leap"				15.2 Search vendor "Opensuse" for product "Leap" and version "15.2"		-		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"				20.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "20.04"		lts		Affected