CVE-2025-21762

In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arp_xmit() arp_xmit() can be called without RTNL or RCU protection. Use RCU protection to avoid potential 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/01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe	Patch
https://git.kernel.org/stable/c/10f555e3f573d004ae9d89b3276abb58c4ede5c3	Patch
https://git.kernel.org/stable/c/2c331718d3389b6c5f6855078ab7171849e016bd	Patch
https://git.kernel.org/stable/c/307cd1e2d3cb1cbc6c40c679cada6d7168b18431	Patch
https://git.kernel.org/stable/c/a42b69f692165ec39db42d595f4f65a4c8f42e44	Patch
https://git.kernel.org/stable/c/d9366ac2f956a1948b68c0500f84a3462ff2ed8a	Patch
https://git.kernel.org/stable/c/e9f4dee534eb1b225b0a120395ad9bc2afe164d3	Patch
https://git.kernel.org/stable/c/f189654459423d4d48bef2d120b4bfba559e6039	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-2025-21762

Mitre link : CVE-2025-21762

CVE.ORG link : CVE-2025-21762

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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