CVE-2022-49099

published 2025-02-26

CVE-2022-49099: In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()…

Priority P4 18 medium 5.5 CVSS 3.1

AV L AC L PR L UI N S U C N I N A H

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]
[ 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]
[ 49.647021] ---[ end trace 0000000000000000 ]---

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	linux	< linux 5.17.3-1 (bookworm)	linux 5.17.3-1 (bookworm)
linux	linux	—	—
linux	linux	>= 743b237c3a7b0f5b44aa704aae8a1058877b6322 < 2fe4b8631427618175a32f125062df91a5fe3f73	2fe4b8631427618175a32f125062df91a5fe3f73
linux	linux	>= 743b237c3a7b0f5b44aa704aae8a1058877b6322 < 3a5469582c241abca22500f36a9cb8e9331969cf	3a5469582c241abca22500f36a9cb8e9331969cf
linux	linux_kernel	—	—
linux	linux_kernel	>= 0 < 5.17.3-1	5.17.3-1
linux	linux_kernel	>= 0 < 5.17.3-1	5.17.3-1
linux	linux_kernel	>= 0 < 5.17.3-1	5.17.3-1
linux	linux_kernel	>= 5.17 < 5.17.3	5.17.3

CVSS provenance

nvd v3.1 5.5 MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

osv 5.5 MEDIUM

vendor_debian 5.5 MEDIUM

vendor_redhat 5.5 MEDIUM

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