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cnvdChina National Vulnerability DatabaseCNVD-2021-60521
HistoryAug 10, 2021 - 12:00 a.m.

Linux kernel denial of service vulnerability (CNVD-2021-60521)

2021-08-1000:00:00
China National Vulnerability Database
www.cnvd.org.cn
25

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/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 the kernel used by the Linux Foundation’s open source operating system, Linux. Linux kernel is vulnerable due to a null pointer dereference flaw in the radiotap parser in the mac80211 subsystem. Through the mac80211 subsystem, a local attacker could exploit this vulnerability to cause a denial of service condition.

CPENameOperatorVersion
linux linux kernellt5.12.13

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/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