CVE-2025-21764

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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/3c2d705f5adf5d860aaef90cb4211c0fde2ba66d	Patch
https://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9	Patch
https://git.kernel.org/stable/c/96fc896d0e5b37c12808df797397fb16f3080879	Patch
https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304	Patch
https://git.kernel.org/stable/c/b870256dd2a5648d5ed2f22316b3ac29a7e5ed63	Patch
https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28	Patch
https://git.kernel.org/stable/c/c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1	Patch
https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926	Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html

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

No history.

Information

Published : 2025-02-27 03:15

Updated : 2025-11-03 20:17

NVD link : CVE-2025-21764

Mitre link : CVE-2025-21764

CVE.ORG link : CVE-2025-21764

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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