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cnvdChina National Vulnerability DatabaseCNVD-2021-93367
HistoryNov 18, 2021 - 12:00 a.m.

Linux kernel denial-of-service vulnerability (CNVD-2021-93367)

2021-11-1800:00:00
China National Vulnerability Database
www.cnvd.org.cn
22

4.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

Linux kernel is a computer operating system kernel written in C and assembly language, POSIX-compliant, and distributed under the GNU General Public License. Linux kernel 5.15.2 and earlier versions contain a security vulnerability that can be exploited by attackers to cause a denial of service (skb_over_panic) by connecting to a specially crafted usb device. panic) by connecting to a specially crafted usb device.

CPENameOperatorVersion
linux linux kernelle5.15.2

4.6 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P