{"id":"CVE-2026-97601","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: 6lowpan: fix NULL dereference in lowpan_newlink\n\nTUNSETLINK allows a TUN device to change its link-layer type to\nARPHRD_IEEE802154 without initializing ieee…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: 6lowpan: fix NULL dereference in lowpan_newlink\n\nTUNSETLINK allows a TUN device to change its link-layer type to\nARPHRD_IEEE802154 without initializing ieee…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 51e0e5d8124ece158927a4c2288c0929d3b53aa3 < 1c7710af7ad9532b534f1c134c11b04dbe4e0e0f","Linux >= 51e0e5d8124ece158927a4c2288c0929d3b53aa3 < 98ce5a42cde780ee0e40378607d4428c8fc12ec1","Linux >= 51e0e5d8124ece158927a4c2288c0929d3b53aa3 < 8528da2333ce05cf627f93425f9d05efb08b3146","Linux >= 51e0e5d8124ece158927a4c2288c0929d3b53aa3 < bf79662bc85e820ac3b846e2f347da29fbf6ac95","Linux 4.3"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:11.463","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97601","references":[{"url":"https://git.kernel.org/stable/c/1c7710af7ad9532b534f1c134c11b04dbe4e0e0f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8528da2333ce05cf627f93425f9d05efb08b3146","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/98ce5a42cde780ee0e40378607d4428c8fc12ec1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf79662bc85e820ac3b846e2f347da29fbf6ac95","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.902Z","slug":"CVE-2026-97601","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: 6lowpan: fix NULL dereference in lowpan_newlink\n\nTUNSETLINK allows a TUN device to change its link-layer type to\nARPHRD_IEEE802154 without initializing ieee802154_ptr. lowpan_newlink()\nchecks only the device type before dereferencing the pointer, so an\nRTM_NEWLINK request can trigger a NULL pointer dereference.\n\nReject devices without ieee802154_ptr along with devices of the wrong type.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}