{"id":"CVE-2026-74528","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74528","summary":"Bluetooth: hci_sync: hold conn in hci_past_sync() callback","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: hold conn in hci_past_sync() callback\n\nAvoids giving freed pointers to hci_conn_valid(), which kmalloc may have\nreused.\n\nHold refcount to avoid that.","published":"2026-08-15T12:27:44.181Z","modified":"2026-08-18T03:56:51.427018592Z","cvss":{"score":8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"7.1.8"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/abf9753edf3f88282c44a605f3945d8d4f8dd86c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e6792adef614b389141b142e30ee549e4a47dd7d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74528.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74528"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-18T03:56:51.427018592Z"}}