IM
IronMonkey Threat Research

CVE-2025-21766 MEDIUM

Published: 2025-02-27 | Last Modified: 2026-05-12 | 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 0x702bdcdbe400> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdd12a280> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdcdbdf80> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdd12ae00> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdcdbd100> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdcdbe8c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdd12b140> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdc6a4400> Operating System
linux linux_kernel * <built-in method update of dict object at 0x702bdd1298c0> Operating System
linux linux_kernel 5.9 <built-in method update of dict object at 0x702bdcdbdf00> Operating System
linux linux_kernel 5.9 <built-in method update of dict object at 0x702bdd5d4ec0> Operating System
linux linux_kernel 5.9 <built-in method update of dict object at 0x702bdcdbc9c0> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x702bfc130ac0> Operating System
linux linux_kernel 6.14 <built-in method update of dict object at 0x702bcc9b2e80> 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

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