# CVE-2022-49099: linux: In the Linux kernel, the following vulnerability has been resolved:  Drivers: hv: vmbus: Fix initialization of device...

CVE-2022-49099 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49099, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-49099
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2025

## 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 ]---

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.17.3-1 | [DEBIAN-CVE-2022-49099](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49099.md) | Feb 26, 2025 |
| Linux | linux Debian 13.5 (trixie) | 5.17.3-1 | [DEBIAN-CVE-2022-49099](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49099.md) | Feb 26, 2025 |
| Linux | linux Debian 14 | 5.17.3-1 | [DEBIAN-CVE-2022-49099](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49099.md) | Feb 26, 2025 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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