IM
IronMonkey Threat Research

CVE-2025-21766 HIGH

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

Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu() __ip_rt_update_pmtu() must use RCU protection to make sure the net structure it reads does not disappear.

Additional Descriptions (1)

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv4: usar protección RCU en __ip_rt_update_pmtu() __ip_rt_update_pmtu() debe usar protección RCU para asegurarse de que la estructura de red que lee no desaparezca.

CVSS Metrics

Base Score: 5.5 (MEDIUM)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Primary
en NVD-CWE-noinfo

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd36825ba80> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36825b400> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd384d71e80> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3415e6400> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd368259500> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd368258880> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3415e41c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3415e6780> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd3415e7f00> Operating System
linux linux_kernel 5.9 <built-in method update of dict object at 0x7fd3682596c0> Operating System
linux linux_kernel 5.9 <built-in method update of dict object at 0x7fd3415e4500> Operating System
linux linux_kernel 5.9 <built-in method update of dict object at 0x7fd36825a700> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd368dd8340> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x7fd39c3fcf00> 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:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:5.9:-:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:5.9:rc7:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:5.9:rc8:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*

References