CVE-2022-50146

Source
https://nvd.nist.gov/vuln/detail/CVE-2022-50146
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50146.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-50146
Downstream
Related
Published
2025-06-18T11:03:07Z
Modified
2025-10-21T12:36:44.435583Z
Summary
PCI: dwc: Deallocate EPC memory on dw_pcie_ep_init() errors
Details

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

PCI: dwc: Deallocate EPC memory on dwpcieep_init() errors

If dwpcieep_init() fails to perform any action after the EPC memory is initialized and the MSI memory region is allocated, the latter parts won't be undone thus causing a memory leak. Add a cleanup-on-error path to fix these leaks.

[bhelgaas: commit log]

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
2fd0c9d966cc11bb5f73556dd788d12f501d8755
Fixed
e7599a5974d4c64eaae8009c3f2e47b9e3223e07
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2fd0c9d966cc11bb5f73556dd788d12f501d8755
Fixed
b03a8f1264ea8c363bec9ef6e37b467f27cb04ea
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2fd0c9d966cc11bb5f73556dd788d12f501d8755
Fixed
2d546db5c80c45cac3ccd929550244fd58f4ff58
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2fd0c9d966cc11bb5f73556dd788d12f501d8755
Fixed
3b453f5d06d1f1d6b20a75ea51dc7b53ae78f479
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
2fd0c9d966cc11bb5f73556dd788d12f501d8755
Fixed
8161e9626b50892eaedbd8070ecb1586ecedb109

Affected versions

v4.*

v4.15
v4.15-rc5
v4.15-rc6
v4.15-rc7
v4.15-rc8
v4.15-rc9
v4.16
v4.16-rc1
v4.16-rc2
v4.16-rc3
v4.16-rc4
v4.16-rc5
v4.16-rc6
v4.16-rc7
v4.17
v4.17-rc1
v4.17-rc2
v4.17-rc3
v4.17-rc4
v4.17-rc5
v4.17-rc6
v4.17-rc7
v4.18
v4.18-rc1
v4.18-rc2
v4.18-rc3
v4.18-rc4
v4.18-rc5
v4.18-rc6
v4.18-rc7
v4.18-rc8
v4.19
v4.19-rc1
v4.19-rc2
v4.19-rc3
v4.19-rc4
v4.19-rc5
v4.19-rc6
v4.19-rc7
v4.19-rc8
v4.20
v4.20-rc1
v4.20-rc2
v4.20-rc3
v4.20-rc4
v4.20-rc5
v4.20-rc6
v4.20-rc7

v5.*

v5.0
v5.0-rc1
v5.0-rc2
v5.0-rc3
v5.0-rc4
v5.0-rc5
v5.0-rc6
v5.0-rc7
v5.0-rc8
v5.1
v5.1-rc1
v5.1-rc2
v5.1-rc3
v5.1-rc4
v5.1-rc5
v5.1-rc6
v5.1-rc7
v5.10
v5.10-rc1
v5.10-rc2
v5.10-rc3
v5.10-rc4
v5.10-rc5
v5.10-rc6
v5.10-rc7
v5.10.1
v5.10.10
v5.10.100
v5.10.101
v5.10.102
v5.10.103
v5.10.104
v5.10.105
v5.10.106
v5.10.107
v5.10.108
v5.10.109
v5.10.11
v5.10.110
v5.10.111
v5.10.112
v5.10.113
v5.10.114
v5.10.115
v5.10.116
v5.10.117
v5.10.118
v5.10.119
v5.10.12
v5.10.120
v5.10.121
v5.10.122
v5.10.123
v5.10.124
v5.10.125
v5.10.126
v5.10.127
v5.10.128
v5.10.129
v5.10.13
v5.10.130
v5.10.131
v5.10.132
v5.10.133
v5.10.134
v5.10.135
v5.10.136
v5.10.14
v5.10.15
v5.10.16
v5.10.17
v5.10.18
v5.10.19
v5.10.2
v5.10.20
v5.10.21
v5.10.22
v5.10.23
v5.10.24
v5.10.25
v5.10.26
v5.10.27
v5.10.28
v5.10.29
v5.10.3
v5.10.30
v5.10.31
v5.10.32
v5.10.33
v5.10.34
v5.10.35
v5.10.36
v5.10.37
v5.10.38
v5.10.39
v5.10.4
v5.10.40
v5.10.41
v5.10.42
v5.10.43
v5.10.44
v5.10.45
v5.10.46
v5.10.47
v5.10.48
v5.10.49
v5.10.5
v5.10.50
v5.10.51
v5.10.52
v5.10.53
v5.10.54
v5.10.55
v5.10.56
v5.10.57
v5.10.58
v5.10.59
v5.10.6
v5.10.60
v5.10.61
v5.10.62
v5.10.63
v5.10.64
v5.10.65
v5.10.66
v5.10.67
v5.10.68
v5.10.69
v5.10.7
v5.10.70
v5.10.71
v5.10.72
v5.10.73
v5.10.74
v5.10.75
v5.10.76
v5.10.77
v5.10.78
v5.10.79
v5.10.8
v5.10.80
v5.10.81
v5.10.82
v5.10.83
v5.10.84
v5.10.85
v5.10.86
v5.10.87
v5.10.88
v5.10.89
v5.10.9
v5.10.90
v5.10.91
v5.10.92
v5.10.93
v5.10.94
v5.10.95
v5.10.96
v5.10.97
v5.10.98
v5.10.99
v5.11
v5.11-rc1
v5.11-rc2
v5.11-rc3
v5.11-rc4
v5.11-rc5
v5.11-rc6
v5.11-rc7
v5.12
v5.12-rc1
v5.12-rc1-dontuse
v5.12-rc2
v5.12-rc3
v5.12-rc4
v5.12-rc5
v5.12-rc6
v5.12-rc7
v5.12-rc8
v5.13
v5.13-rc1
v5.13-rc2
v5.13-rc3
v5.13-rc4
v5.13-rc5
v5.13-rc6
v5.13-rc7
v5.14
v5.14-rc1
v5.14-rc2
v5.14-rc3
v5.14-rc4
v5.14-rc5
v5.14-rc6
v5.14-rc7
v5.15
v5.15-rc1
v5.15-rc2
v5.15-rc3
v5.15-rc4
v5.15-rc5
v5.15-rc6
v5.15-rc7
v5.15.1
v5.15.10
v5.15.11
v5.15.12
v5.15.13
v5.15.14
v5.15.15
v5.15.16
v5.15.17
v5.15.18
v5.15.19
v5.15.2
v5.15.20
v5.15.21
v5.15.22
v5.15.23
v5.15.24
v5.15.25
v5.15.26
v5.15.27
v5.15.28
v5.15.29
v5.15.3
v5.15.30
v5.15.31
v5.15.32
v5.15.33
v5.15.34
v5.15.35
v5.15.36
v5.15.37
v5.15.38
v5.15.39
v5.15.4
v5.15.40
v5.15.41
v5.15.42
v5.15.43
v5.15.44
v5.15.45
v5.15.46
v5.15.47
v5.15.48
v5.15.49
v5.15.5
v5.15.50
v5.15.51
v5.15.52
v5.15.53
v5.15.54
v5.15.55
v5.15.56
v5.15.57
v5.15.58
v5.15.59
v5.15.6
v5.15.60
v5.15.7
v5.15.8
v5.15.9
v5.16
v5.16-rc1
v5.16-rc2
v5.16-rc3
v5.16-rc4
v5.16-rc5
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
v5.18
v5.18-rc1
v5.18-rc2
v5.18-rc3
v5.18-rc4
v5.18-rc5
v5.18-rc6
v5.18-rc7
v5.18.1
v5.18.10
v5.18.11
v5.18.12
v5.18.13
v5.18.14
v5.18.15
v5.18.16
v5.18.17
v5.18.2
v5.18.3
v5.18.4
v5.18.5
v5.18.6
v5.18.7
v5.18.8
v5.18.9
v5.19
v5.19-rc1
v5.19-rc2
v5.19-rc3
v5.19-rc4
v5.19-rc5
v5.19-rc6
v5.19-rc7
v5.19-rc8
v5.19.1
v5.2
v5.2-rc1
v5.2-rc2
v5.2-rc3
v5.2-rc4
v5.2-rc5
v5.2-rc6
v5.2-rc7
v5.3
v5.3-rc1
v5.3-rc2
v5.3-rc3
v5.3-rc4
v5.3-rc5
v5.3-rc6
v5.3-rc7
v5.3-rc8
v5.4
v5.4-rc1
v5.4-rc2
v5.4-rc3
v5.4-rc4
v5.4-rc5
v5.4-rc6
v5.4-rc7
v5.4-rc8
v5.5
v5.5-rc1
v5.5-rc2
v5.5-rc3
v5.5-rc4
v5.5-rc5
v5.5-rc6
v5.5-rc7
v5.6
v5.6-rc1
v5.6-rc2
v5.6-rc3
v5.6-rc4
v5.6-rc5
v5.6-rc6
v5.6-rc7
v5.7
v5.7-rc1
v5.7-rc2
v5.7-rc3
v5.7-rc4
v5.7-rc5
v5.7-rc6
v5.7-rc7
v5.8
v5.8-rc1
v5.8-rc2
v5.8-rc3
v5.8-rc4
v5.8-rc5
v5.8-rc6
v5.8-rc7
v5.9
v5.9-rc1
v5.9-rc2
v5.9-rc3
v5.9-rc4
v5.9-rc5
v5.9-rc6
v5.9-rc7
v5.9-rc8

Database specific

vanir_signatures

[
    {
        "id": "CVE-2022-50146-1635bed4",
        "target": {
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "172565739119487744364295730599801831802",
                "4459501718248363795209264082665041169",
                "271074968545105663801756975515350908790",
                "303235145538652405265093790436779742780",
                "97495372080461125845878226153662016677",
                "325550628551991855057857799762098081322",
                "295238278947971289777402395921364740300",
                "162433947424454428958536745186500279274",
                "33179216336781349011611919520900044649"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@2d546db5c80c45cac3ccd929550244fd58f4ff58"
    },
    {
        "id": "CVE-2022-50146-219f9505",
        "target": {
            "function": "dw_pcie_ep_init",
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 2744.0,
            "function_hash": "105693314674855380831394666694427443726"
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8161e9626b50892eaedbd8070ecb1586ecedb109"
    },
    {
        "id": "CVE-2022-50146-31e8533f",
        "target": {
            "function": "dw_pcie_ep_init",
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 2761.0,
            "function_hash": "337344511013579164308491559533599452653"
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@e7599a5974d4c64eaae8009c3f2e47b9e3223e07"
    },
    {
        "id": "CVE-2022-50146-40bbc24c",
        "target": {
            "function": "dw_pcie_ep_init",
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 2744.0,
            "function_hash": "105693314674855380831394666694427443726"
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@2d546db5c80c45cac3ccd929550244fd58f4ff58"
    },
    {
        "id": "CVE-2022-50146-423fcea8",
        "target": {
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "172565739119487744364295730599801831802",
                "4459501718248363795209264082665041169",
                "271074968545105663801756975515350908790",
                "303235145538652405265093790436779742780",
                "97495372080461125845878226153662016677",
                "325550628551991855057857799762098081322",
                "295238278947971289777402395921364740300",
                "162433947424454428958536745186500279274",
                "33179216336781349011611919520900044649"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8161e9626b50892eaedbd8070ecb1586ecedb109"
    },
    {
        "id": "CVE-2022-50146-48f53a6b",
        "target": {
            "function": "dw_pcie_ep_init",
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 2744.0,
            "function_hash": "105693314674855380831394666694427443726"
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3b453f5d06d1f1d6b20a75ea51dc7b53ae78f479"
    },
    {
        "id": "CVE-2022-50146-4c099ff2",
        "target": {
            "function": "dw_pcie_ep_init",
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "length": 2744.0,
            "function_hash": "105693314674855380831394666694427443726"
        },
        "deprecated": false,
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b03a8f1264ea8c363bec9ef6e37b467f27cb04ea"
    },
    {
        "id": "CVE-2022-50146-7228070e",
        "target": {
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "172565739119487744364295730599801831802",
                "4459501718248363795209264082665041169",
                "271074968545105663801756975515350908790",
                "303235145538652405265093790436779742780",
                "97495372080461125845878226153662016677",
                "325550628551991855057857799762098081322",
                "295238278947971289777402395921364740300",
                "162433947424454428958536745186500279274",
                "33179216336781349011611919520900044649"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b03a8f1264ea8c363bec9ef6e37b467f27cb04ea"
    },
    {
        "id": "CVE-2022-50146-dc07335e",
        "target": {
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "172565739119487744364295730599801831802",
                "4459501718248363795209264082665041169",
                "271074968545105663801756975515350908790",
                "303235145538652405265093790436779742780",
                "97495372080461125845878226153662016677",
                "325550628551991855057857799762098081322",
                "295238278947971289777402395921364740300",
                "162433947424454428958536745186500279274",
                "33179216336781349011611919520900044649"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3b453f5d06d1f1d6b20a75ea51dc7b53ae78f479"
    },
    {
        "id": "CVE-2022-50146-f37067ca",
        "target": {
            "file": "drivers/pci/controller/dwc/pcie-designware-ep.c"
        },
        "signature_version": "v1",
        "digest": {
            "line_hashes": [
                "172565739119487744364295730599801831802",
                "4459501718248363795209264082665041169",
                "271074968545105663801756975515350908790",
                "303235145538652405265093790436779742780",
                "97495372080461125845878226153662016677",
                "325550628551991855057857799762098081322",
                "295238278947971289777402395921364740300",
                "162433947424454428958536745186500279274",
                "33179216336781349011611919520900044649"
            ],
            "threshold": 0.9
        },
        "deprecated": false,
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@e7599a5974d4c64eaae8009c3f2e47b9e3223e07"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.16.0
Fixed
5.10.137
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.61
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.18.18
Type
ECOSYSTEM
Events
Introduced
5.19.0
Fixed
5.19.2