In the Linux kernel, the following vulnerability has been resolved:
Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()
Initialize the device's dma_{mask,parms} pointers and the device's
dma_mask value before invoking device_register(). Address the
following trace with 5.17-rc7:
[ 49.646839] WARNING: CPU: 0 PID: 189 at include/linux/dma-mapping.h:543
netvsc_probe+0x37a/0x3a0 [hv_netvsc]
[ 49.646928] Call Trace:
[ 49.646930] <TASK>
[ 49.646935] vmbus_probe+0x40/0x60 [hv_vmbus]
[ 49.646942] really_probe+0x1ce/0x3b0
[ 49.646948] __driver_probe_device+0x109/0x180
[ 49.646952] driver_probe_device+0x23/0xa0
[ 49.646955] __device_attach_driver+0x76/0xe0
[ 49.646958] ? driver_allows_async_probing+0x50/0x50
[ 49.646961] bus_for_each_drv+0x84/0xd0
[ 49.646964] __device_attach+0xed/0x170
[ 49.646967] device_initial_probe+0x13/0x20
[ 49.646970] bus_probe_device+0x8f/0xa0
[ 49.646973] device_add+0x41a/0x8e0
[ 49.646975] ? hrtimer_init+0x28/0x80
[ 49.646981] device_register+0x1b/0x20
[ 49.646983] vmbus_device_register+0x5e/0xf0 [hv_vmbus]
[ 49.646991] vmbus_add_channel_work+0x12d/0x190 [hv_vmbus]
[ 49.646999] process_one_work+0x21d/0x3f0
[ 49.647002] worker_thread+0x4a/0x3b0
[ 49.647005] ? process_one_work+0x3f0/0x3f0
[ 49.647007] kthread+0xff/0x130
[ 49.647011] ? kthread_complete_and_exit+0x20/0x20
[ 49.647015] ret_from_fork+0x22/0x30
[ 49.647020] </TASK>
[ 49.647021] ---[ end trace 0000000000000000 ]---
Metrics
Affected Vendors & Products
References
History
Thu, 27 Feb 2025 13:30:00 +0000
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threat_severity
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cvssV3_1
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Wed, 26 Feb 2025 02:15:00 +0000
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Description | In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register() Initialize the device's dma_{mask,parms} pointers and the device's dma_mask value before invoking device_register(). Address the following trace with 5.17-rc7: [ 49.646839] WARNING: CPU: 0 PID: 189 at include/linux/dma-mapping.h:543 netvsc_probe+0x37a/0x3a0 [hv_netvsc] [ 49.646928] Call Trace: [ 49.646930] <TASK> [ 49.646935] vmbus_probe+0x40/0x60 [hv_vmbus] [ 49.646942] really_probe+0x1ce/0x3b0 [ 49.646948] __driver_probe_device+0x109/0x180 [ 49.646952] driver_probe_device+0x23/0xa0 [ 49.646955] __device_attach_driver+0x76/0xe0 [ 49.646958] ? driver_allows_async_probing+0x50/0x50 [ 49.646961] bus_for_each_drv+0x84/0xd0 [ 49.646964] __device_attach+0xed/0x170 [ 49.646967] device_initial_probe+0x13/0x20 [ 49.646970] bus_probe_device+0x8f/0xa0 [ 49.646973] device_add+0x41a/0x8e0 [ 49.646975] ? hrtimer_init+0x28/0x80 [ 49.646981] device_register+0x1b/0x20 [ 49.646983] vmbus_device_register+0x5e/0xf0 [hv_vmbus] [ 49.646991] vmbus_add_channel_work+0x12d/0x190 [hv_vmbus] [ 49.646999] process_one_work+0x21d/0x3f0 [ 49.647002] worker_thread+0x4a/0x3b0 [ 49.647005] ? process_one_work+0x3f0/0x3f0 [ 49.647007] kthread+0xff/0x130 [ 49.647011] ? kthread_complete_and_exit+0x20/0x20 [ 49.647015] ret_from_fork+0x22/0x30 [ 49.647020] </TASK> [ 49.647021] ---[ end trace 0000000000000000 ]--- | |
Title | Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register() | |
References |
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Status: PUBLISHED
Assigner: Linux
Published: 2025-02-26T01:54:50.571Z
Updated: 2025-05-04T08:29:51.900Z
Reserved: 2025-02-26T01:49:39.250Z
Link: CVE-2022-49099

No data.

Status : Received
Published: 2025-02-26T07:00:47.347
Modified: 2025-02-26T07:00:47.347
Link: CVE-2022-49099
