{"cve":"CVE-2022-49727","nvd":{"published":"2025-02-26T07:01:48.347","modified":"2026-06-17T05:18:58.940","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix signed integer overflow in l2tp_ip6_sendmsg\n\nWhen len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be\noverflow. To fix, we can follow what udpv6 does and subtract the\ntranshdrlen from the max.","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-190"],"references":["https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1","https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e","https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1","https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000","https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49727","score":0.0028,"percentile":0.20537,"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."]}