{"id":"AZL-70630","summary":"CVE-2025-38117 affecting package kernel 5.15.200.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: Protect mgmt_pending list with its own lock\n\nThis uses a mutex to protect from concurrent access of mgmt_pending\nlist which can cause crashes like:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91\nRead of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318\n\nCPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\nCall trace:\n show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)\n __dump_stack+0x30/0x40 lib/dump_stack.c:94\n dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120\n print_address_description+0xa8/0x254 mm/kasan/report.c:408\n print_report+0x68/0x84 mm/kasan/report.c:521\n kasan_report+0xb0/0x110 mm/kasan/report.c:634\n __asan_report_load2_noabort+0x20/0x2c mm/kasan/report_generic.c:379\n hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91\n mgmt_pending_find+0x7c/0x140 net/bluetooth/mgmt_util.c:223\n pending_find net/bluetooth/mgmt.c:947 [inline]\n remove_adv_monitor+0x44/0x1a4 net/bluetooth/mgmt.c:5445\n hci_mgmt_cmd+0x780/0xc00 net/bluetooth/hci_sock.c:1712\n hci_sock_sendmsg+0x544/0xbb0 net/bluetooth/hci_sock.c:1832\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg net/socket.c:727 [inline]\n sock_write_iter+0x25c/0x378 net/socket.c:1131\n new_sync_write fs/read_write.c:591 [inline]\n vfs_write+0x62c/0x97c fs/read_write.c:684\n ksys_write+0x120/0x210 fs/read_write.c:736\n __do_sys_write fs/read_write.c:747 [inline]\n __se_sys_write fs/read_write.c:744 [inline]\n __arm64_sys_write+0x7c/0x90 fs/read_write.c:744\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767\n el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\n\nAllocated by task 7037:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\n kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:394\n kasan_kmalloc include/linux/kasan.h:260 [inline]\n __do_kmalloc_node mm/slub.c:4327 [inline]\n __kmalloc_noprof+0x2fc/0x4c8 mm/slub.c:4339\n kmalloc_noprof include/linux/slab.h:909 [inline]\n sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2198\n sk_alloc+0x44/0x3ac net/core/sock.c:2254\n bt_sock_alloc+0x4c/0x300 net/bluetooth/af_bluetooth.c:148\n hci_sock_create+0xa8/0x194 net/bluetooth/hci_sock.c:2202\n bt_sock_create+0x14c/0x24c net/bluetooth/af_bluetooth.c:132\n __sock_create+0x43c/0x91c net/socket.c:1541\n sock_create net/socket.c:1599 [inline]\n __sys_socket_create net/socket.c:1636 [inline]\n __sys_socket+0xd4/0x1c0 net/socket.c:1683\n __do_sys_socket net/socket.c:1697 [inline]\n __se_sys_socket net/socket.c:1695 [inline]\n __arm64_sys_socket+0x7c/0x94 net/socket.c:1695\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767\n el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\n\nFreed by task 6607:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\n kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576\n poison_slab_object mm/kasan/common.c:247 [inline]\n __kasan_slab_free+0x68/0x88 mm/kasan/common.c:264\n kasan_slab_free include/linux/kasan.h:233 [inline\n---truncated---","modified":"2026-04-01T05:21:57.639423Z","published":"2025-07-03T09:15:25Z","upstream":["CVE-2025-38117"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38117"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.15.200.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-70630.json"}}],"schema_version":"1.7.5"}