IM
IronMonkey Threat Research

CVE-2025-21761 HIGH

Published: 2025-02-27 | Last Modified: 2026-05-12 | Status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: openvswitch: use RCU protection in ovs_vport_cmd_fill_info() ovs_vport_cmd_fill_info() can be called without RTNL or RCU. Use RCU protection and dev_net_rcu() to avoid potential UAF.

Additional Descriptions (1)

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: openvswitch: usar la protección RCU en ovs_vport_cmd_fill_info() ovs_vport_cmd_fill_info() se puede llamar sin RTNL o RCU. Use la protección RCU y dev_net_rcu() para evitar posibles UAF.

CVSS Metrics

Base Score: 7.8 (HIGH)

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

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Type: Secondary

Exploitability Score: 1.8

Impact Score: 5.9

Weaknesses

Source Type Description
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-416

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd39c578080> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd39c578800> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36ad5a2c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd384de8ac0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd39c57a180> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd39c578840> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd384de8a80> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd384dea640> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd3855a4180> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*

References