IM
IronMonkey Threat Research

CVE-2021-38202 HIGH

Published: 2021-08-08 | Last Modified: 2026-05-12 | Status: Modified

Description

fs/nfsd/trace.h in the Linux kernel before 5.13.4 might allow remote attackers to cause a denial of service (out-of-bounds read in strlen) by sending NFS traffic when the trace event framework is being used for nfsd.

Additional Descriptions (1)

El archivo fs/nfsd/trace.h en el kernel de Linux versiones anteriores a 5.13.4, podría permitir a atacantes remotos causar una denegación de servicio (lectura fuera de los límites en strlen) mediante el envío de tráfico NFS cuando el marco de eventos de rastreo se está usando para nfsd

CVSS Metrics

Base Score: 7.5 (HIGH)

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

Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 3.9

Impact Score: 3.6

Base Score: 5.0 (MEDIUM)

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

Access VectorNETWORK
Access ComplexityLOW
AuthenticationNONE
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactPARTIAL

Source: [email protected]

Type: Primary

Exploitability Score: 10.0

Impact Score: 2.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-125

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd360614d80> Operating System
netapp hci_bootstrap_os - <built-in method update of dict object at 0x7fd36b802180> Operating System
netapp hci_management_node - <built-in method update of dict object at 0x7fd360616880> Application
netapp solidfire - <built-in method update of dict object at 0x7fd3854de280> Application
netapp element_software - <built-in method update of dict object at 0x7fd3606153c0> Application

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:hci_compute_node:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
Yes cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
Yes cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*

Operator: OR

Vulnerable CPE
No cpe:2.3:h:netapp:hci_storage_node:-:*:*:*:*:*:*:*

References