CVE-2026-45847
Not scored
net: remove WARN_ON_ONCE when accessing forward path array
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.
Exploit probability
0.2%
Published
May 27, 2026
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-45847
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/008e7a7c293b30bc43e4368dac6ea3808b75a572
- https://git.kernel.org/stable/c/50422613185d505201167e8bdd2f2700790d5db6
- https://git.kernel.org/stable/c/548244c2f542aa0ad49453e9306e715a3877bc44
- https://git.kernel.org/stable/c/9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6
- https://git.kernel.org/stable/c/959ea349c7e2d4edf07b6838ca7e59345fe61a08
- https://git.kernel.org/stable/c/a78d055ba7c31103ad02f8eceb0c452e154d2660
- https://git.kernel.org/stable/c/dcf9b3c90e5560339649d088836529883fb509f3
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45847.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-45847