{"schema_version":"1.9.0","id":"CVE-2024-50044","published":"2024-10-21T19:39:42.430Z","modified":"2026-08-12T03:51:25.568706191Z","related":["SUSE-SU-2024:3984-1","SUSE-SU-2024:3986-1","SUSE-SU-2024:4315-1","SUSE-SU-2024:4318-1","SUSE-SU-2024:4364-1","SUSE-SU-2024:4367-1","SUSE-SU-2024:4376-1","SUSE-SU-2024:4387-1","SUSE-SU-2025:0035-1","SUSE-SU-2025:20163-1","SUSE-SU-2025:20164-1","SUSE-SU-2025:20246-1","SUSE-SU-2025:20247-1","USN-7276-1","USN-7277-1","openSUSE-SU-2024:14500-1","openSUSE-SU-2025:14705-1"],"summary":"Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change\n\nrfcomm_sk_state_change attempts to use sock_lock so it must never be\ncalled with it locked but rfcomm_sock_ioctl always attempt to lock it\ncausing the following trace:\n\n======================================================\nWARNING: possible circular locking dependency detected\n6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted\n------------------------------------------------------\nsyz-executor386/5093 is trying to acquire lock:\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]\nffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73\n\nbut task is already holding lock:\nffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"3241ad820dbb172021e0268b5611031991431626"},{"fixed":"b77b3fb12fd483cae7c28648903b1d8a6b275f01"},{"fixed":"869c6ee62ab8f01bf2419e45326642be5c9b670a"},{"fixed":"ef44274dae9b0a90d1a97ce8b242a3b8243a7745"},{"fixed":"496b2ab0fd10f205e08909a125485fdc98843dbe"},{"fixed":"ced98072d3511b232ae1d3347945f35f30c0e303"},{"fixed":"38b2d5a57d125e1c17661b8308c0240c4a43b534"},{"fixed":"4cb9807c9b53bf1e5560420d26f319f528b50268"},{"fixed":"08d1914293dae38350b8088980e59fbc699a72fe"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50044.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.27"},{"fixed":"4.19.323"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.285"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.227"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.168"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.113"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.57"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.11.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-50044.json"}}],"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html"},{"type":"WEB","url":"https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534"},{"type":"WEB","url":"https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268"},{"type":"WEB","url":"https://git.kernel.org/stable/c/869c6ee62ab8f01bf2419e45326642be5c9b670a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b77b3fb12fd483cae7c28648903b1d8a6b275f01"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef44274dae9b0a90d1a97ce8b242a3b8243a7745"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50044.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-50044"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/50xxx/CVE-2024-50044.json"}}