{"id":"CVE-2026-98731","summary":"Bluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btintel_pcie: fix plen overflow in btintel_pcie_recv_frame()\n\nplen is u16 and computed as HDR_SIZE + dlen. For ACL/ISO frames dlen\nis a 16-bit field, so a value \u003e= 0xFFFC wraps the sum, bypassing the\n\"skb-\u003elen \u003c plen\" check and letting skb_trim() truncate the packet.\n\nWiden plen to u32 so the addition cannot wrap.","modified":"2026-10-20T02:30:25.822739339Z","published":"2026-10-18T15:47:08.399Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98731.json"},"references":[{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7dbeb6935ac331b0cba6c41cabd8e9d02d5f64ea"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b2cb5ea1dc8cf829816370fc1399e6a1d2d1bca9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c3a3842c109ac130c6db3aa0014cc8cd344928ad"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c3b5e6da4ba6485bffda9753d8339c28855207aa"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98731.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98731"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c2b636b3f788d10486a6691ad6dd3ec4c93bd78e"},{"fixed":"c3a3842c109ac130c6db3aa0014cc8cd344928ad"},{"fixed":"c3b5e6da4ba6485bffda9753d8339c28855207aa"},{"fixed":"b2cb5ea1dc8cf829816370fc1399e6a1d2d1bca9"},{"fixed":"7dbeb6935ac331b0cba6c41cabd8e9d02d5f64ea"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98731.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.10.0"},{"fixed":"6.12.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.56"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98731.json"}}],"schema_version":"1.9.0"}