IM
IronMonkey Threat Research

CVE-2025-21762 HIGH

Published: 2025-02-27 | Last Modified: 2026-07-30 | Status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arp_xmit() arp_xmit() 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: arp: usar protección RCU en arp_xmit(). Se puede llamar a arp_xmit() sin protección RTNL o RCU. Use protección RCU para evitar posibles UAF.

CVSS Metrics

Base Score: 8.1 (HIGH)

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

Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactHIGH
Integrity ImpactHIGH
Availability ImpactHIGH

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Type: Secondary

Exploitability Score: 2.2

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 0x7fd386710900> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd386710b40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd368d0ae40> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36b1f9540> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd386711780> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3867134c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2db0e5400> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd2db0e47c0> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd368d7cf40> 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