CVE-2021-47171

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

25/03/2024

Last modified:

16/05/2024

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xx_bind Syzbot reported memory leak in smsc75xx_bind(). The problem was is non-freed memory in case of errors after memory allocation. backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	2.6.34 (including)	4.4.271 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.5 (including)	4.9.271 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.235 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.193 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.124 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.42 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.12.9 (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-47171

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools