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[email protected]NVD:CVE-2021-26708

HistoryFeb 05, 2021 - 2:15 p.m.

CVE-2021-26708

2021-02-0514:15:18

CWE-667

[email protected]

web.nvd.nist.gov

linux

privilege escalation

af_vsock

race conditions

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

Percentile

5.2%

JSON

A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support.

Affected configurations

Nvd

Node

linuxlinux_kernelRange5.5–5.10.13

Node

netappaff_baseboard_management_controllerMatch-

netappcloud_backupMatch-

netappfas_baseboard_management_controllerMatch-

netappsolidfire_\&_hci_management_nodeMatch-

netappsolidfire_baseboard_management_controllerMatch-

Node

netapp500fMatch-

AND

netappbaseboard_management_controller_500f_firmwareRange<15.3

Node

netappa250Match-

AND

netappbaseboard_management_controller_a250_firmwareRange<15.3

Node

netapphci_h410cMatch-

AND

netapphci_h410c_firmwareMatch-

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
netappaff_baseboard_management_controller-cpe:2.3:a:netapp:aff_baseboard_management_controller:-:*:*:*:*:*:*:*
netappcloud_backup-cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
netappfas_baseboard_management_controller-cpe:2.3:a:netapp:fas_baseboard_management_controller:-:*:*:*:*:*:*:*
netappsolidfire_\&_hci_management_node-cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
netappsolidfire_baseboard_management_controller-cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*
netapp500f-cpe:2.3:h:netapp:500f:-:*:*:*:*:*:*:*
netappbaseboard_management_controller_500f_firmware*cpe:2.3:o:netapp:baseboard_management_controller_500f_firmware:*:*:*:*:*:*:*:*
netappa250-cpe:2.3:h:netapp:a250:-:*:*:*:*:*:*:*
netappbaseboard_management_controller_a250_firmware*cpe:2.3:o:netapp:baseboard_management_controller_a250_firmware:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
netapp	aff_baseboard_management_controller	-	cpe:2.3:a:netapp:aff_baseboard_management_controller:-:::::::*
netapp	cloud_backup	-	cpe:2.3:a:netapp:cloud_backup:-:::::::*
netapp	fas_baseboard_management_controller	-	cpe:2.3:a:netapp:fas_baseboard_management_controller:-:::::::*
netapp	solidfire_\&_hci_management_node	-	cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::*
netapp	solidfire_baseboard_management_controller	-	cpe:2.3:a:netapp:solidfire_baseboard_management_controller:-:::::::*
netapp	500f	-	cpe:2.3:h:netapp:500f:-:::::::*
netapp	baseboard_management_controller_500f_firmware	*	cpe:2.3:o:netapp:baseboard_management_controller_500f_firmware::::::::
netapp	a250	-	cpe:2.3:h:netapp:a250:-:::::::*
netapp	baseboard_management_controller_a250_firmware	*	cpe:2.3:o:netapp:baseboard_management_controller_a250_firmware::::::::