CVEvulnerability
CVE-2025-21762
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-02-27
- Last modified
- 2026-10-15
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• linux linux kernel (>= 4.4 < 5.4.291)
• linux linux kernel (>= 5.5 < 5.10.235)
• linux linux kernel (>= 5.11 < 5.15.179)
• linux linux kernel (>= 5.16 < 6.1.129)
• linux linux kernel (>= 6.2 < 6.6.79)
• linux linux kernel (>= 6.7 < 6.12.16)
• linux linux kernel (>= 6.13 < 6.13.4)
• linux linux kernel 6.14
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- 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 lists.debian.org
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html lists.debian.org
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-503939.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html cert-portal.siemens.com