{ "containers": { "cna": { "providerMetadata": { "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: btrtl: fix out of bounds memory access\n\nThe problem is detected by KASAN.\nbtrtl driver uses private hci data to store 'struct btrealtek_data'.\nIf btrtl driver is used with btusb, then memory for private hci data\nis allocated in btusb. But no private data is allocated after hci_dev,\nwhen btrtl is used with hci_h5.\n\nThis commit adds memory allocation for hci_h5 case.\n\n ==================================================================\n BUG: KASAN: slab-out-of-bounds in btrtl_initialize+0x6cc/0x958 [btrtl]\n Write of size 8 at addr ffff00000f5a5748 by task kworker/u9:0/76\n\n Hardware name: Pine64 PinePhone (1.2) (DT)\n Workqueue: hci0 hci_power_on [bluetooth]\n Call trace:\n dump_backtrace+0x9c/0x128\n show_stack+0x20/0x38\n dump_stack_lvl+0x48/0x60\n print_report+0xf8/0x5d8\n kasan_report+0x90/0xd0\n __asan_store8+0x9c/0xc0\n \t [btrtl]\n h5_btrtl_setup+0xd0/0x2f8 [hci_uart]\n h5_setup+0x50/0x80 [hci_uart]\n hci_uart_setup+0xd4/0x260 [hci_uart]\n hci_dev_open_sync+0x1cc/0xf68 [bluetooth]\n hci_dev_do_open+0x34/0x90 [bluetooth]\n hci_power_on+0xc4/0x3c8 [bluetooth]\n process_one_work+0x328/0x6f0\n worker_thread+0x410/0x778\n kthread+0x168/0x178\n ret_from_fork+0x10/0x20\n\n Allocated by task 53:\n kasan_save_stack+0x3c/0x68\n kasan_save_track+0x20/0x40\n kasan_save_alloc_info+0x68/0x78\n __kasan_kmalloc+0xd4/0xd8\n __kmalloc+0x1b4/0x3b0\n hci_alloc_dev_priv+0x28/0xa58 [bluetooth]\n hci_uart_register_device+0x118/0x4f8 [hci_uart]\n h5_serdev_probe+0xf4/0x178 [hci_uart]\n serdev_drv_probe+0x54/0xa0\n really_probe+0x254/0x588\n __driver_probe_device+0xc4/0x210\n driver_probe_device+0x64/0x160\n __driver_attach_async_helper+0x88/0x158\n async_run_entry_fn+0xd0/0x388\n process_one_work+0x328/0x6f0\n worker_thread+0x410/0x778\n kthread+0x168/0x178\n ret_from_fork+0x10/0x20\n\n Last potentially related work creation:\n kasan_save_stack+0x3c/0x68\n __kasan_record_aux_stack+0xb0/0x150\n kasan_record_aux_stack_noalloc+0x14/0x20\n __queue_work+0x33c/0x960\n queue_work_on+0x98/0xc0\n hci_recv_frame+0xc8/0x1e8 [bluetooth]\n h5_complete_rx_pkt+0x2c8/0x800 [hci_uart]\n h5_rx_payload+0x98/0xb8 [hci_uart]\n h5_recv+0x158/0x3d8 [hci_uart]\n hci_uart_receive_buf+0xa0/0xe8 [hci_uart]\n ttyport_receive_buf+0xac/0x178\n flush_to_ldisc+0x130/0x2c8\n process_one_work+0x328/0x6f0\n worker_thread+0x410/0x778\n kthread+0x168/0x178\n ret_from_fork+0x10/0x20\n\n Second to last potentially related work creation:\n kasan_save_stack+0x3c/0x68\n __kasan_record_aux_stack+0xb0/0x150\n kasan_record_aux_stack_noalloc+0x14/0x20\n __queue_work+0x788/0x960\n queue_work_on+0x98/0xc0\n __hci_cmd_sync_sk+0x23c/0x7a0 [bluetooth]\n __hci_cmd_sync+0x24/0x38 [bluetooth]\n btrtl_initialize+0x760/0x958 [btrtl]\n h5_btrtl_setup+0xd0/0x2f8 [hci_uart]\n h5_setup+0x50/0x80 [hci_uart]\n hci_uart_setup+0xd4/0x260 [hci_uart]\n hci_dev_open_sync+0x1cc/0xf68 [bluetooth]\n hci_dev_do_open+0x34/0x90 [bluetooth]\n hci_power_on+0xc4/0x3c8 [bluetooth]\n process_one_work+0x328/0x6f0\n worker_thread+0x410/0x778\n kthread+0x168/0x178\n ret_from_fork+0x10/0x20\n ==================================================================" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/bluetooth/hci_h5.c" ], "versions": [ { "version": "5b355944b190", "lessThan": "dd163fa34c48", "status": "affected", "versionType": "git" }, { "version": "5b355944b190", "lessThan": "2f232bc389a4", "status": "affected", "versionType": "git" }, { "version": "5b355944b190", "lessThan": "0c657e641df1", "status": "affected", "versionType": "git" }, { "version": "5b355944b190", "lessThan": "de4e88ec58c4", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/bluetooth/hci_h5.c" ], "versions": [ { "version": "6.2", "status": "affected" }, { "version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.23", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.11", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.2", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/dd163fa34c483f1674aa2510accce11a224f649e" }, { "url": "https://git.kernel.org/stable/c/2f232bc389a4f5943c40733582f9edf77b89e499" }, { "url": "https://git.kernel.org/stable/c/0c657e641df1e77d6087688190f632cad9c0439b" }, { "url": "https://git.kernel.org/stable/c/de4e88ec58c4202efd1f02eebb4939bbf6945358" } ], "title": "Bluetooth: btrtl: fix out of bounds memory access", "x_generator": { "engine": "bippy-a5840b7849dd" } } }, "cveMetadata": { "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", "cveID": "CVE-2024-26890", "requesterUserId": "gregkh@kernel.org", "serial": "1", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.0" }