{"id":"CVE-2022-49099","summary":"Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nDrivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()\n\nInitialize the device's dma_{mask,parms} pointers and the device's\ndma_mask value before invoking device_register().  Address the\nfollowing trace with 5.17-rc7:\n\n[   49.646839] WARNING: CPU: 0 PID: 189 at include/linux/dma-mapping.h:543\n\tnetvsc_probe+0x37a/0x3a0 [hv_netvsc]\n[   49.646928] Call Trace:\n[   49.646930]  \u003cTASK\u003e\n[   49.646935]  vmbus_probe+0x40/0x60 [hv_vmbus]\n[   49.646942]  really_probe+0x1ce/0x3b0\n[   49.646948]  __driver_probe_device+0x109/0x180\n[   49.646952]  driver_probe_device+0x23/0xa0\n[   49.646955]  __device_attach_driver+0x76/0xe0\n[   49.646958]  ? driver_allows_async_probing+0x50/0x50\n[   49.646961]  bus_for_each_drv+0x84/0xd0\n[   49.646964]  __device_attach+0xed/0x170\n[   49.646967]  device_initial_probe+0x13/0x20\n[   49.646970]  bus_probe_device+0x8f/0xa0\n[   49.646973]  device_add+0x41a/0x8e0\n[   49.646975]  ? hrtimer_init+0x28/0x80\n[   49.646981]  device_register+0x1b/0x20\n[   49.646983]  vmbus_device_register+0x5e/0xf0 [hv_vmbus]\n[   49.646991]  vmbus_add_channel_work+0x12d/0x190 [hv_vmbus]\n[   49.646999]  process_one_work+0x21d/0x3f0\n[   49.647002]  worker_thread+0x4a/0x3b0\n[   49.647005]  ? process_one_work+0x3f0/0x3f0\n[   49.647007]  kthread+0xff/0x130\n[   49.647011]  ? kthread_complete_and_exit+0x20/0x20\n[   49.647015]  ret_from_fork+0x22/0x30\n[   49.647020]  \u003c/TASK\u003e\n[   49.647021] ---[ end trace 0000000000000000 ]---","modified":"2026-04-02T08:27:17.850940Z","published":"2025-02-26T01:54:50.571Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49099.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2fe4b8631427618175a32f125062df91a5fe3f73"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3a5469582c241abca22500f36a9cb8e9331969cf"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49099.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49099"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"743b237c3a7b0f5b44aa704aae8a1058877b6322"},{"fixed":"2fe4b8631427618175a32f125062df91a5fe3f73"},{"fixed":"3a5469582c241abca22500f36a9cb8e9331969cf"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49099.json"}}],"schema_version":"1.7.5"}