IM
IronMonkey Threat Research

CVE-2025-21763 HIGH

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

Description

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

Additional Descriptions (1)

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: neighbor: use la protección RCU en __neigh_notify() __neigh_notify() se puede llamar sin RTNL ni protección RCU. Use la protección 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 0x7fd2dbd4df80> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a6e5b40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2dbd4c280> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a6e4100> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2dbd4cfc0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2dbd4c040> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a6e6ec0> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd36a6e6840> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd36b55d180> 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