Description
In the Linux kernel, the following vulnerability has been resolved: net: remove WARN_ON_ONCE when accessing forward path array Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARN_ON_ONCE if userspace manages to build a sufficiently long forward path. Remove it.
Affected products
linux: linux kernel
References7
- git.kernel.org/stable/c/008e7a7c293b30bc43e4368dac6ea3808b75a572 Patch
- git.kernel.org/stable/c/50422613185d505201167e8bdd2f2700790d5db6 Patch
- git.kernel.org/stable/c/548244c2f542aa0ad49453e9306e715a3877bc44 Patch
- git.kernel.org/stable/c/9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6 Patch
- git.kernel.org/stable/c/959ea349c7e2d4edf07b6838ca7e59345fe61a08 Patch
- git.kernel.org/stable/c/a78d055ba7c31103ad02f8eceb0c452e154d2660 Patch
- git.kernel.org/stable/c/dcf9b3c90e5560339649d088836529883fb509f3 Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 5 · as of 14 November 2026
- CWE
- CWE-617
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.