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cnvdChina National Vulnerability DatabaseCNVD-2022-21490
HistoryDec 21, 2021 - 12:00 a.m.

Linux kernel competition condition issue vulnerability (CNVD-2022-21490)

2021-12-2100:00:00
China National Vulnerability Database
www.cnvd.org.cn
12

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.7 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

Linux kernel is the kernel used by the Linux Foundation’s open source operating system Linux. kernel is one of the kernel-based virtual machines. overlayfs is one of the file systems. a security vulnerability exists in Linux kernel, which stems from a contention condition issue in the overlayfs file system. No detailed vulnerability details are available.

CPENameOperatorVersion
linux kernellt5.15

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

4.7 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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