Description

In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF.

INFO

Published Date :

2025-02-27T02:18:15.598Z

Last Modified :

2025-11-03T19:37:17.328Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-21764 vulnerability.

Vendors Products
Linux
  • Linux Kernel
Redhat
  • Enterprise Linux
  • Rhel Aus
  • Rhel E4s
  • Rhel Eus
  • Rhel Tus
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-21764.

URL Resource
https://git.kernel.org/stable/c/3c2d705f5adf5d860aaef90cb4211c0fde2ba66d cve-icon cve-icon
https://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9 cve-icon cve-icon
https://git.kernel.org/stable/c/96fc896d0e5b37c12808df797397fb16f3080879 cve-icon cve-icon
https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304 cve-icon cve-icon
https://git.kernel.org/stable/c/b870256dd2a5648d5ed2f22316b3ac29a7e5ed63 cve-icon cve-icon
https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28 cve-icon cve-icon
https://git.kernel.org/stable/c/c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1 cve-icon cve-icon
https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html cve-icon
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html cve-icon
https://lore.kernel.org/linux-cve-announce/2025022605-CVE-2025-21764-1061@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-21764 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-21764 cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact