{"id":"CVE-2022-49727","summary":"ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix signed integer overflow in l2tp_ip6_sendmsg\n\nWhen len \u003e= INT_MAX - transhdrlen, ulen = len + transhdrlen will be\noverflow. To fix, we can follow what udpv6 does and subtract the\ntranshdrlen from the max.","modified":"2026-04-11T12:44:27.761832Z","published":"2025-02-26T02:24:38.672Z","related":["SUSE-SU-2025:1293-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49727.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/034246122f5c5e2e2a0b9fe04e24517920e9beb1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0e818d433fc2718fe4da044ffca7431812a7e04e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/27a37755ceb401111ded76810359d3adc4b268a1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2cf73c7cb6125083408d77f43d0e84d86aed0000"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2f42389d270f2304c8855b0b63498a5a4d0c053d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6c4e3486d21173d60925ef52e512cae727b43d30"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b8879ca1fd7348b4d5db7db86dcb97f60c73d751"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f638a84afef3dfe10554c51820c16e39a278c915"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49727.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49727"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a32e0eec7042b21ccb52896cf715e3e2641fed93"},{"fixed":"2cf73c7cb6125083408d77f43d0e84d86aed0000"},{"fixed":"0e818d433fc2718fe4da044ffca7431812a7e04e"},{"fixed":"6c4e3486d21173d60925ef52e512cae727b43d30"},{"fixed":"2f42389d270f2304c8855b0b63498a5a4d0c053d"},{"fixed":"b8879ca1fd7348b4d5db7db86dcb97f60c73d751"},{"fixed":"27a37755ceb401111ded76810359d3adc4b268a1"},{"fixed":"034246122f5c5e2e2a0b9fe04e24517920e9beb1"},{"fixed":"f638a84afef3dfe10554c51820c16e39a278c915"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49727.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.5.0"},{"fixed":"4.9.320"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.14.285"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.15.0"},{"fixed":"4.19.249"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.200"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.124"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.49"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.18.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49727.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}