CVE-2022-49099

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-49099
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49099.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49099
Downstream
Related
Published
2025-02-26T01:54:50Z
Modified
2025-10-21T08:50:01.919855Z
Summary
Drivers: hv: vmbus: Fix initialization of device object in vmbus_device_register()
Details

In the Linux kernel, the following vulnerability has been resolved:

Drivers: hv: vmbus: Fix initialization of device object in vmbusdeviceregister()

Initialize the device's dma{mask,parms} pointers and the device's dmamask 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 netvscprobe+0x37a/0x3a0 [hvnetvsc] [ 49.646928] Call Trace: [ 49.646930] <TASK> [ 49.646935] vmbusprobe+0x40/0x60 [hvvmbus] [ 49.646942] reallyprobe+0x1ce/0x3b0 [ 49.646948] _driverprobedevice+0x109/0x180 [ 49.646952] driverprobedevice+0x23/0xa0 [ 49.646955] _deviceattachdriver+0x76/0xe0 [ 49.646958] ? driverallowsasyncprobing+0x50/0x50 [ 49.646961] busforeachdrv+0x84/0xd0 [ 49.646964] _deviceattach+0xed/0x170 [ 49.646967] deviceinitialprobe+0x13/0x20 [ 49.646970] busprobedevice+0x8f/0xa0 [ 49.646973] deviceadd+0x41a/0x8e0 [ 49.646975] ? hrtimerinit+0x28/0x80 [ 49.646981] deviceregister+0x1b/0x20 [ 49.646983] vmbusdeviceregister+0x5e/0xf0 [hvvmbus] [ 49.646991] vmbusaddchannelwork+0x12d/0x190 [hvvmbus] [ 49.646999] processonework+0x21d/0x3f0 [ 49.647002] workerthread+0x4a/0x3b0 [ 49.647005] ? processonework+0x3f0/0x3f0 [ 49.647007] kthread+0xff/0x130 [ 49.647011] ? kthreadcompleteandexit+0x20/0x20 [ 49.647015] retfrom_fork+0x22/0x30 [ 49.647020] </TASK> [ 49.647021] ---[ end trace 0000000000000000 ]---

References

Affected packages

Git / 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
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
743b237c3a7b0f5b44aa704aae8a1058877b6322
Fixed
3a5469582c241abca22500f36a9cb8e9331969cf

Affected versions

v5.*

v5.16
v5.16-rc6
v5.16-rc7
v5.16-rc8
v5.17
v5.17-rc1
v5.17-rc2
v5.17-rc3
v5.17-rc4
v5.17-rc5
v5.17-rc6
v5.17-rc7
v5.17-rc8
v5.17.1
v5.17.2

Database specific

vanir_signatures

[
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "261577810733189301401264432619358585872",
            "length": 1037.0
        },
        "target": {
            "function": "vmbus_device_register",
            "file": "drivers/hv/vmbus_drv.c"
        },
        "id": "CVE-2022-49099-079b0cec",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@2fe4b8631427618175a32f125062df91a5fe3f73",
        "signature_type": "Function"
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "261577810733189301401264432619358585872",
            "length": 1037.0
        },
        "target": {
            "function": "vmbus_device_register",
            "file": "drivers/hv/vmbus_drv.c"
        },
        "id": "CVE-2022-49099-37b34e71",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3a5469582c241abca22500f36a9cb8e9331969cf",
        "signature_type": "Function"
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "293339556136865592677239895572776027149",
                "312560126995432418923398963868571435127",
                "25502968565924455014656440617338888631",
                "280761334533928278631947952887025282402",
                "244554659909473380528436881797218871324",
                "177440655453247686767502596962254650685",
                "142587895566256793913221953721804103313",
                "156790452251976557788718474388261205846",
                "327201766486574363139829305821016153236"
            ]
        },
        "target": {
            "file": "drivers/hv/vmbus_drv.c"
        },
        "id": "CVE-2022-49099-3c3b2d77",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3a5469582c241abca22500f36a9cb8e9331969cf",
        "signature_type": "Line"
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "293339556136865592677239895572776027149",
                "312560126995432418923398963868571435127",
                "25502968565924455014656440617338888631",
                "280761334533928278631947952887025282402",
                "244554659909473380528436881797218871324",
                "177440655453247686767502596962254650685",
                "142587895566256793913221953721804103313",
                "156790452251976557788718474388261205846",
                "327201766486574363139829305821016153236"
            ]
        },
        "target": {
            "file": "drivers/hv/vmbus_drv.c"
        },
        "id": "CVE-2022-49099-4fcf5055",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@2fe4b8631427618175a32f125062df91a5fe3f73",
        "signature_type": "Line"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.17.0
Fixed
5.17.3