{"cve":"CVE-2026-45847","nvd":{"published":"2026-05-27T14:16:56.577","modified":"2026-06-25T21:03:49.797","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: remove WARN_ON_ONCE when accessing forward path array\n\nAlthough unlikely, recent support for IPIP tunnels increases chances of\nreaching this WARN_ON_ONCE if userspace manages to build a sufficiently\nlong forward path.\n\nRemove it.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-617"],"references":["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"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:36:28.938604137+00:00"},"epss":{"cve":"CVE-2026-45847","score":0.0016,"percentile":0.05214,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}