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cnvdChina National Vulnerability DatabaseCNVD-2021-92971
HistoryNov 18, 2021 - 12:00 a.m.

Linux kernel buffer overflow vulnerability (CNVD-2021-92971)

2021-11-1800:00:00
China National Vulnerability Database
www.cnvd.org.cn
24

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

Linux kernel is the kernel used by the Linux Foundation’s open source operating system Linux. Linux kernel 5.15.2 and earlier versions have a security vulnerability that can be exploited by an attacker who can introduce a specially crafted device to trigger an out-of-bounds write via a specially crafted length value.

CPENameOperatorVersion
linux linux kernelle5.15.2

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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