CVE-2025-21765

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21765
In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU protection in ip6_default_advmss() ip6_default_advmss() needs rcu protection to make sure the net structure it reads does not disappear.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/28de355b63ad42309ed5a03ee7c436c90512265b Patch
https://git.kernel.org/stable/c/3c8ffcd248da34fc41e52a46e51505900115fc2a Patch
https://git.kernel.org/stable/c/4176a68b0db8fc74ac14fcd00ba8231371051dc2 Patch
https://git.kernel.org/stable/c/550ed693f47370502a71b85382e7f9e6417300b8 Patch
https://git.kernel.org/stable/c/713a40c892f40300d63691d9f85b2a23b48fe1e8 Patch
https://git.kernel.org/stable/c/78ad057472d8c76e0602402269222f9f9c698790 Patch
https://git.kernel.org/stable/c/84212387caadb211cd9dadd6fd5563bd37dc1f5e Patch
https://git.kernel.org/stable/c/d02f30d220ef9511568a48dba8a9004c65f8d904 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
History

28 Oct 2025, 20:49

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/28de355b63ad42309ed5a03ee7c436c90512265b - () https://git.kernel.org/stable/c/28de355b63ad42309ed5a03ee7c436c90512265b - Patch
References () https://git.kernel.org/stable/c/3c8ffcd248da34fc41e52a46e51505900115fc2a - () https://git.kernel.org/stable/c/3c8ffcd248da34fc41e52a46e51505900115fc2a - Patch
References () https://git.kernel.org/stable/c/4176a68b0db8fc74ac14fcd00ba8231371051dc2 - () https://git.kernel.org/stable/c/4176a68b0db8fc74ac14fcd00ba8231371051dc2 - Patch
References () https://git.kernel.org/stable/c/550ed693f47370502a71b85382e7f9e6417300b8 - () https://git.kernel.org/stable/c/550ed693f47370502a71b85382e7f9e6417300b8 - Patch
References () https://git.kernel.org/stable/c/713a40c892f40300d63691d9f85b2a23b48fe1e8 - () https://git.kernel.org/stable/c/713a40c892f40300d63691d9f85b2a23b48fe1e8 - Patch
References () https://git.kernel.org/stable/c/78ad057472d8c76e0602402269222f9f9c698790 - () https://git.kernel.org/stable/c/78ad057472d8c76e0602402269222f9f9c698790 - Patch
References () https://git.kernel.org/stable/c/84212387caadb211cd9dadd6fd5563bd37dc1f5e - () https://git.kernel.org/stable/c/84212387caadb211cd9dadd6fd5563bd37dc1f5e - Patch
References () https://git.kernel.org/stable/c/d02f30d220ef9511568a48dba8a9004c65f8d904 - () https://git.kernel.org/stable/c/d02f30d220ef9511568a48dba8a9004c65f8d904 - Patch
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*

13 Mar 2025, 13:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/28de355b63ad42309ed5a03ee7c436c90512265b -
  • () https://git.kernel.org/stable/c/78ad057472d8c76e0602402269222f9f9c698790 -
  • () https://git.kernel.org/stable/c/d02f30d220ef9511568a48dba8a9004c65f8d904 -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv6: usar protección RCU en ip6_default_advmss() ip6_default_advmss() necesita protección RCU para asegurarse de que la estructura de red que lee no desaparezca.

27 Feb 2025, 03:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-27 03:15

Updated : 2025-10-28 20:49

NVD link : CVE-2025-21765

Mitre link : CVE-2025-21765

CVE.ORG link : CVE-2025-21765

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
NVD-CWE-noinfo