CVE-2022-49206

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-49206
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49206.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49206
Downstream
Related
Published
2025-02-26T01:55:45Z
Modified
2025-10-21T09:50:48.063717Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
Details

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

RDMA/mlx5: Fix memory leak in error flow for subscribe event routine

In case the second xainsert() fails, the objevent is not released. Fix the error unwind flow to free that memory to avoid a memory leak.

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
7597385371425febdaa8c6a1da3625d4ffff16f5
Fixed
0174a89663a5ef83617da15bf24c0af2f62b6c7f
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7597385371425febdaa8c6a1da3625d4ffff16f5
Fixed
c98d903ff9e79c210beddea4e6bc15ac38e25aa5
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7597385371425febdaa8c6a1da3625d4ffff16f5
Fixed
8dd392e352d3269938fea32061a74655a613f929
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7597385371425febdaa8c6a1da3625d4ffff16f5
Fixed
d66498507801fd9a20307a15a0814a0a016c3cde
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7597385371425febdaa8c6a1da3625d4ffff16f5
Fixed
414b4e8738484379f18d6c4e780787c80dbf8a2c
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7597385371425febdaa8c6a1da3625d4ffff16f5
Fixed
087f9c3f2309ed183f7e4b85ae57121d8663224d

Affected versions

v5.*

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
v5.10.12
v5.10.13
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
v5.15.4
v5.15.5
v5.15.6
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
v5.16.1
v5.16.10
v5.16.11
v5.16.12
v5.16.13
v5.16.14
v5.16.15
v5.16.16
v5.16.17
v5.16.18
v5.16.2
v5.16.3
v5.16.4
v5.16.5
v5.16.6
v5.16.7
v5.16.8
v5.16.9
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
v5.2
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
v5.4.1
v5.4.10
v5.4.100
v5.4.101
v5.4.102
v5.4.103
v5.4.104
v5.4.105
v5.4.106
v5.4.107
v5.4.108
v5.4.109
v5.4.11
v5.4.110
v5.4.111
v5.4.112
v5.4.113
v5.4.114
v5.4.115
v5.4.116
v5.4.117
v5.4.118
v5.4.119
v5.4.12
v5.4.120
v5.4.121
v5.4.122
v5.4.123
v5.4.124
v5.4.125
v5.4.126
v5.4.127
v5.4.128
v5.4.129
v5.4.13
v5.4.130
v5.4.131
v5.4.132
v5.4.133
v5.4.134
v5.4.135
v5.4.136
v5.4.137
v5.4.138
v5.4.139
v5.4.14
v5.4.140
v5.4.141
v5.4.142
v5.4.143
v5.4.144
v5.4.145
v5.4.146
v5.4.147
v5.4.148
v5.4.149
v5.4.15
v5.4.150
v5.4.151
v5.4.152
v5.4.153
v5.4.154
v5.4.155
v5.4.156
v5.4.157
v5.4.158
v5.4.159
v5.4.16
v5.4.160
v5.4.161
v5.4.162
v5.4.163
v5.4.164
v5.4.165
v5.4.166
v5.4.167
v5.4.168
v5.4.169
v5.4.17
v5.4.170
v5.4.171
v5.4.172
v5.4.173
v5.4.174
v5.4.175
v5.4.176
v5.4.177
v5.4.178
v5.4.179
v5.4.18
v5.4.180
v5.4.181
v5.4.182
v5.4.183
v5.4.184
v5.4.185
v5.4.186
v5.4.187
v5.4.188
v5.4.19
v5.4.2
v5.4.20
v5.4.21
v5.4.22
v5.4.23
v5.4.24
v5.4.25
v5.4.26
v5.4.27
v5.4.28
v5.4.29
v5.4.3
v5.4.30
v5.4.31
v5.4.32
v5.4.33
v5.4.34
v5.4.35
v5.4.36
v5.4.37
v5.4.38
v5.4.39
v5.4.4
v5.4.40
v5.4.41
v5.4.42
v5.4.43
v5.4.44
v5.4.45
v5.4.46
v5.4.47
v5.4.48
v5.4.49
v5.4.5
v5.4.50
v5.4.51
v5.4.52
v5.4.53
v5.4.54
v5.4.55
v5.4.56
v5.4.57
v5.4.58
v5.4.59
v5.4.6
v5.4.60
v5.4.61
v5.4.62
v5.4.63
v5.4.64
v5.4.65
v5.4.66
v5.4.67
v5.4.68
v5.4.69
v5.4.7
v5.4.70
v5.4.71
v5.4.72
v5.4.73
v5.4.74
v5.4.75
v5.4.76
v5.4.77
v5.4.78
v5.4.79
v5.4.8
v5.4.80
v5.4.81
v5.4.82
v5.4.83
v5.4.84
v5.4.85
v5.4.86
v5.4.87
v5.4.88
v5.4.89
v5.4.9
v5.4.90
v5.4.91
v5.4.92
v5.4.93
v5.4.94
v5.4.95
v5.4.96
v5.4.97
v5.4.98
v5.4.99
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

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        "id": "CVE-2022-49206-014cec43",
        "deprecated": false,
        "digest": {
            "length": 779.0,
            "function_hash": "340213011275183065388853611583351706588"
        },
        "signature_version": "v1",
        "target": {
            "function": "subscribe_event_xa_alloc",
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d66498507801fd9a20307a15a0814a0a016c3cde"
    },
    {
        "id": "CVE-2022-49206-1291af1e",
        "deprecated": false,
        "digest": {
            "length": 779.0,
            "function_hash": "340213011275183065388853611583351706588"
        },
        "signature_version": "v1",
        "target": {
            "function": "subscribe_event_xa_alloc",
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@414b4e8738484379f18d6c4e780787c80dbf8a2c"
    },
    {
        "id": "CVE-2022-49206-4072f245",
        "deprecated": false,
        "digest": {
            "length": 779.0,
            "function_hash": "340213011275183065388853611583351706588"
        },
        "signature_version": "v1",
        "target": {
            "function": "subscribe_event_xa_alloc",
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0174a89663a5ef83617da15bf24c0af2f62b6c7f"
    },
    {
        "id": "CVE-2022-49206-42d432ac",
        "deprecated": false,
        "digest": {
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            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
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        },
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d66498507801fd9a20307a15a0814a0a016c3cde"
    },
    {
        "id": "CVE-2022-49206-5a6069da",
        "deprecated": false,
        "digest": {
            "length": 779.0,
            "function_hash": "340213011275183065388853611583351706588"
        },
        "signature_version": "v1",
        "target": {
            "function": "subscribe_event_xa_alloc",
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c98d903ff9e79c210beddea4e6bc15ac38e25aa5"
    },
    {
        "id": "CVE-2022-49206-a354c2aa",
        "deprecated": false,
        "digest": {
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                "271551125253089382497204122477993995553",
                "179772489962070150740885060935906091468",
                "54210541533811062552538149482859476394"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
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        },
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@087f9c3f2309ed183f7e4b85ae57121d8663224d"
    },
    {
        "id": "CVE-2022-49206-a3cf02f7",
        "deprecated": false,
        "digest": {
            "length": 779.0,
            "function_hash": "340213011275183065388853611583351706588"
        },
        "signature_version": "v1",
        "target": {
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            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@087f9c3f2309ed183f7e4b85ae57121d8663224d"
    },
    {
        "id": "CVE-2022-49206-a95285f3",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "314342901200867193244980808392623591754",
                "200669764492197930688751458458953066918",
                "271551125253089382497204122477993995553",
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            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c98d903ff9e79c210beddea4e6bc15ac38e25aa5"
    },
    {
        "id": "CVE-2022-49206-c357fee7",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "314342901200867193244980808392623591754",
                "200669764492197930688751458458953066918",
                "271551125253089382497204122477993995553",
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            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
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        },
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@0174a89663a5ef83617da15bf24c0af2f62b6c7f"
    },
    {
        "id": "CVE-2022-49206-cd10c64a",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "314342901200867193244980808392623591754",
                "200669764492197930688751458458953066918",
                "271551125253089382497204122477993995553",
                "179772489962070150740885060935906091468",
                "54210541533811062552538149482859476394"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@414b4e8738484379f18d6c4e780787c80dbf8a2c"
    },
    {
        "id": "CVE-2022-49206-d7a374d9",
        "deprecated": false,
        "digest": {
            "length": 779.0,
            "function_hash": "340213011275183065388853611583351706588"
        },
        "signature_version": "v1",
        "target": {
            "function": "subscribe_event_xa_alloc",
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8dd392e352d3269938fea32061a74655a613f929"
    },
    {
        "id": "CVE-2022-49206-e3cc394e",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "314342901200867193244980808392623591754",
                "200669764492197930688751458458953066918",
                "271551125253089382497204122477993995553",
                "179772489962070150740885060935906091468",
                "54210541533811062552538149482859476394"
            ],
            "threshold": 0.9
        },
        "signature_version": "v1",
        "target": {
            "file": "drivers/infiniband/hw/mlx5/devx.c"
        },
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8dd392e352d3269938fea32061a74655a613f929"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.3.0
Fixed
5.4.189
Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.110
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.33
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.16.19
Type
ECOSYSTEM
Events
Introduced
5.17.0
Fixed
5.17.2