CVE-2025-21762CWE-416

CVE-2025-21762

High · published February 27, 2025

CVSS v3.1
8.1
EPSS
1%
Percentile
51.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00660 · 51.0th percentile
Weakness
CWE-416 · Use After Free
Published
2025-02-27T08:15Z
Affected products (9)
ProductVersionsFixed in
linux/linux_kernel≥ 4.4, < 5.4.2915.4.291
linux/linux_kernel≥ 5.5, < 5.10.2355.10.235
linux/linux_kernel≥ 5.11, < 5.15.1795.15.179
linux/linux_kernel≥ 5.16, < 6.1.1296.1.129
linux/linux_kernel≥ 6.2, < 6.6.796.6.79
linux/linux_kernel≥ 6.7, < 6.12.166.12.16
linux/linux_kernel≥ 6.13, < 6.13.46.13.4
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (13)
https://git.kernel.org/stable/c/01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10f555e3f573d004ae9d89b3276abb58c4ede5c3 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2c331718d3389b6c5f6855078ab7171849e016bd · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/307cd1e2d3cb1cbc6c40c679cada6d7168b18431 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a42b69f692165ec39db42d595f4f65a4c8f42e44 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d9366ac2f956a1948b68c0500f84a3462ff2ed8a · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e9f4dee534eb1b225b0a120395ad9bc2afe164d3 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f189654459423d4d48bef2d120b4bfba559e6039 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-265688.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-503939.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-784472.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 27 FEB 02:18Z
    arp: use RCU protection in arp_xmit()
    cvelistv5