CVE-2021-38199

fs/nfs/nfs4client.c in the Linux kernel before 5.13.4 has incorrect connection-setup ordering, which allows operators of remote NFSv4 servers to cause a denial of service (hanging of mounts) by arranging for those servers to be unreachable during trunking detection.

CVSS v3 6.5 MEDIUM
CVSS v2.0 3.3 LOW

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

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

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.4	Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/dd99e9f98fbf423ff6d365b37a98e8879170f17c	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210902-0010/	Third Party Advisory
https://www.debian.org/security/2021/dsa-4978	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*

Configuration 3 (hide)

OR	cpe:2.3:a:netapp:hci_management_node:-:::::::*
	cpe:2.3:a:netapp:solidfire:-:::::::*

Configuration 4 (hide)

AND

cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*

Configuration 5 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

History

No history.

Information

Published : 2021-08-08 20:15

Updated : 2021-12-21 12:54

NVD link : CVE-2021-38199

Mitre link : CVE-2021-38199

CVE.ORG link : CVE-2021-38199

JSON object : View

Products Affected

netapp

hci_storage_node
solidfire
hci_management_node
hci_bootstrap_os
hci_compute_node
element_software

linux

linux_kernel

debian

debian_linux

CWE

NVD-CWE-noinfo

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