CVE-2025-21763CWE-416

CVE-2025-21763

High · published February 27, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
16.8
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

neighbour: use RCU protection in __neigh_notify()

__neigh_notify() can be called without RTNL or RCU protection.

Use RCU protection to avoid potential UAF.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00261 · 16.8th percentile
Weakness
CWE-416 · Use After Free
Published
2025-02-27T08:15Z
Affected products (9)
ProductVersionsFixed in
linux/linux_kernel≥ 2.6.25, < 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 (12)
EPSS history
Timeline
  • 27 FEB 02:18Z
    neighbour: use RCU protection in __neigh_notify()
    cvelistv5