CVE-2025-21762
Published: February 28, 2025Last modified: February 28, 2025
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.130-r0) |
| Stream | linux-lts | Fixed (6.6.82-r0) |
References
- https://git.kernel.org/stable/c/01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe
- https://git.kernel.org/stable/c/10f555e3f573d004ae9d89b3276abb58c4ede5c3
- https://git.kernel.org/stable/c/2c331718d3389b6c5f6855078ab7171849e016bd
- https://git.kernel.org/stable/c/307cd1e2d3cb1cbc6c40c679cada6d7168b18431
- https://git.kernel.org/stable/c/a42b69f692165ec39db42d595f4f65a4c8f42e44
- https://git.kernel.org/stable/c/d9366ac2f956a1948b68c0500f84a3462ff2ed8a
- https://git.kernel.org/stable/c/e9f4dee534eb1b225b0a120395ad9bc2afe164d3
- https://git.kernel.org/stable/c/f189654459423d4d48bef2d120b4bfba559e6039