CVE-2022-49055
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-49055
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49055.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2022-49055
- Downstream
- Related
- Published
- 2025-02-26T01:54:27.771Z
- Modified
- 2025-11-28T14:58:33.443362Z
- 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
- drm/amdkfd: Check for potential null return of kmalloc_array()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/amdkfd: Check for potential null return of kmalloc_array()
As the kmallocarray() may return null, the 'eventwaiters[i].wait' would lead to null-pointer dereference. Therefore, it is better to check the return value of kmalloc_array() to avoid this confusion.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49055.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/0a692c625e373fef692ffbc7fc41f8a025f01cb7
- https://git.kernel.org/stable/c/1d7a5aae884ca727d41c7ed15d4c82fdb67c040c
- https://git.kernel.org/stable/c/32cf90a521dcc0f136db7ee5ba32bfe5f79e460e
- https://git.kernel.org/stable/c/40bf32dbfef866c83a3e74800b81d79e52b6d20b
- https://git.kernel.org/stable/c/94869bb0de69a812f70231b0eb480bb2f7ae73a6
- https://git.kernel.org/stable/c/c7a268b33882d5feaafd29c1734456f41ba41396
- https://git.kernel.org/stable/c/ebbb7bb9e80305820dc2328a371c1b35679f2667
- https://git.kernel.org/stable/c/f2658d5966bcee8c3eb487875f459756d4f7cdfc
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49055.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49055
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
-
Introducedf3a398183f7b9ef78f6b71ee9f7641e046403bcbFixed32cf90a521dcc0f136db7ee5ba32bfe5f79e460eFixed40bf32dbfef866c83a3e74800b81d79e52b6d20bFixed94869bb0de69a812f70231b0eb480bb2f7ae73a6Fixedc7a268b33882d5feaafd29c1734456f41ba41396Fixed1d7a5aae884ca727d41c7ed15d4c82fdb67c040cFixedf2658d5966bcee8c3eb487875f459756d4f7cdfcFixed0a692c625e373fef692ffbc7fc41f8a025f01cb7Fixedebbb7bb9e80305820dc2328a371c1b35679f2667
Affected versions
v4.*
v4.1
v4.1-rc3
v4.1-rc4
v4.1-rc5
v4.1-rc6
v4.1-rc7
v4.1-rc8
v4.10
v4.10-rc1
v4.10-rc2
v4.10-rc3
v4.10-rc4
v4.10-rc5
v4.10-rc6
v4.10-rc7
v4.10-rc8
v4.11
v4.11-rc1
v4.11-rc2
v4.11-rc3
v4.11-rc4
v4.11-rc5
v4.11-rc6
v4.11-rc7
v4.11-rc8
v4.12
v4.12-rc1
v4.12-rc2
v4.12-rc3
v4.12-rc4
v4.12-rc5
v4.12-rc6
v4.12-rc7
v4.13
v4.13-rc1
v4.13-rc2
v4.13-rc3
v4.13-rc4
v4.13-rc5
v4.13-rc6
v4.13-rc7
v4.14
v4.14-rc1
v4.14-rc2
v4.14-rc3
v4.14-rc4
v4.14-rc5
v4.14-rc6
v4.14-rc7
v4.14-rc8
v4.14.1
v4.14.10
v4.14.100
v4.14.101
v4.14.102
v4.14.103
v4.14.104
v4.14.105
v4.14.106
v4.14.107
v4.14.108
v4.14.109
v4.14.11
v4.14.110
v4.14.111
v4.14.112
v4.14.113
v4.14.114
v4.14.115
v4.14.116
v4.14.117
v4.14.118
v4.14.119
v4.14.12
v4.14.120
v4.14.121
v4.14.122
v4.14.123
v4.14.124
v4.14.125
v4.14.126
v4.14.127
v4.14.128
v4.14.129
v4.14.13
v4.14.130
v4.14.131
v4.14.132
v4.14.133
v4.14.134
v4.14.135
v4.14.136
v4.14.137
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v4.14.139
v4.14.14
v4.14.140
v4.14.141
v4.14.142
v4.14.143
v4.14.144
v4.14.145
v4.14.146
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v4.14.149
v4.14.15
v4.14.150
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v4.14.153
v4.14.154
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v4.14.16
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v4.14.193
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v4.14.199
v4.14.2
v4.14.20
v4.14.200
v4.14.201
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v4.14.203
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v4.14.28
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v4.14.3
v4.14.30
v4.14.31
v4.14.32
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v4.14.35
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v4.14.37
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v4.14.39
v4.14.4
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v4.14.44
v4.14.45
v4.14.46
v4.14.47
v4.14.48
v4.14.49
v4.14.5
v4.14.50
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v4.14.54
v4.14.55
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v4.14.6
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v4.14.64
v4.14.65
v4.14.66
v4.14.67
v4.14.68
v4.14.69
v4.14.7
v4.14.70
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v4.14.72
v4.14.73
v4.14.74
v4.14.75
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v4.14.77
v4.14.78
v4.14.79
v4.14.8
v4.14.80
v4.14.81
v4.14.82
v4.14.83
v4.14.84
v4.14.85
v4.14.86
v4.14.87
v4.14.88
v4.14.89
v4.14.9
v4.14.90
v4.14.91
v4.14.92
v4.14.93
v4.14.94
v4.14.95
v4.14.96
v4.14.97
v4.14.98
v4.14.99
v4.15
v4.15-rc1
v4.15-rc2
v4.15-rc3
v4.15-rc4
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
v4.19.1
v4.19.10
v4.19.100
v4.19.101
v4.19.102
v4.19.103
v4.19.104
v4.19.105
v4.19.106
v4.19.107
v4.19.108
v4.19.109
v4.19.11
v4.19.110
v4.19.111
v4.19.112
v4.19.113
v4.19.114
v4.19.115
v4.19.116
v4.19.117
v4.19.118
v4.19.119
v4.19.12
v4.19.120
v4.19.121
v4.19.122
v4.19.123
v4.19.124
v4.19.125
v4.19.126
v4.19.127
v4.19.128
v4.19.129
v4.19.13
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v4.19.131
v4.19.132
v4.19.133
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v4.19.136
v4.19.137
v4.19.138
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v4.19.17
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v4.19.2
v4.19.20
v4.19.200
v4.19.201
v4.19.202
v4.19.203
v4.19.204
v4.19.205
v4.19.206
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v4.19.214
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v4.19.22
v4.19.220
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v4.19.222
v4.19.223
v4.19.224
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v4.19.227
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v4.19.229
v4.19.23
v4.19.230
v4.19.231
v4.19.232
v4.19.233
v4.19.234
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v4.19.236
v4.19.237
v4.19.238
v4.19.24
v4.19.25
v4.19.26
v4.19.27
v4.19.28
v4.19.29
v4.19.3
v4.19.30
v4.19.31
v4.19.32
v4.19.33
v4.19.34
v4.19.35
v4.19.36
v4.19.37
v4.19.38
v4.19.39
v4.19.4
v4.19.40
v4.19.41
v4.19.42
v4.19.43
v4.19.44
v4.19.45
v4.19.46
v4.19.47
v4.19.48
v4.19.49
v4.19.5
v4.19.50
v4.19.51
v4.19.52
v4.19.53
v4.19.54
v4.19.55
v4.19.56
v4.19.57
v4.19.58
v4.19.59
v4.19.6
v4.19.60
v4.19.61
v4.19.62
v4.19.63
v4.19.64
v4.19.65
v4.19.66
v4.19.67
v4.19.68
v4.19.69
v4.19.7
v4.19.70
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v4.19.72
v4.19.73
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v4.19.75
v4.19.76
v4.19.77
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v4.19.79
v4.19.8
v4.19.80
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v4.19.84
v4.19.85
v4.19.86
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v4.19.89
v4.19.9
v4.19.90
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v4.19.92
v4.19.93
v4.19.94
v4.19.95
v4.19.96
v4.19.97
v4.19.98
v4.19.99
v4.2
v4.2-rc1
v4.2-rc2
v4.2-rc3
v4.2-rc4
v4.2-rc5
v4.2-rc6
v4.2-rc7
v4.2-rc8
v4.20
v4.20-rc1
v4.20-rc2
v4.20-rc3
v4.20-rc4
v4.20-rc5
v4.20-rc6
v4.20-rc7
v4.3
v4.3-rc1
v4.3-rc2
v4.3-rc3
v4.3-rc4
v4.3-rc5
v4.3-rc6
v4.3-rc7
v4.4
v4.4-rc1
v4.4-rc2
v4.4-rc3
v4.4-rc4
v4.4-rc5
v4.4-rc6
v4.4-rc7
v4.4-rc8
v4.5
v4.5-rc1
v4.5-rc2
v4.5-rc3
v4.5-rc4
v4.5-rc5
v4.5-rc6
v4.5-rc7
v4.6
v4.6-rc1
v4.6-rc2
v4.6-rc3
v4.6-rc4
v4.6-rc5
v4.6-rc6
v4.6-rc7
v4.7
v4.7-rc1
v4.7-rc2
v4.7-rc3
v4.7-rc4
v4.7-rc5
v4.7-rc6
v4.7-rc7
v4.8
v4.8-rc1
v4.8-rc2
v4.8-rc3
v4.8-rc4
v4.8-rc5
v4.8-rc6
v4.8-rc7
v4.8-rc8
v4.9
v4.9-rc1
v4.9-rc2
v4.9-rc3
v4.9-rc4
v4.9-rc5
v4.9-rc6
v4.9-rc7
v4.9-rc8
v4.9.1
v4.9.10
v4.9.100
v4.9.101
v4.9.102
v4.9.103
v4.9.104
v4.9.105
v4.9.106
v4.9.107
v4.9.108
v4.9.109
v4.9.11
v4.9.110
v4.9.111
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v4.9.12
v4.9.120
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v4.9.13
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v4.9.14
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v4.9.16
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v4.9.18
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v4.9.19
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v4.9.2
v4.9.20
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v4.9.23
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v4.9.26
v4.9.260
v4.9.261
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Database specific
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"signature_version": "v1",
"deprecated": false,
"id": "CVE-2022-49055-d25a291f",
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"digest": {
"function_hash": "134126561834339086094862204494442519497",
"length": 269.0
}
},
{
"signature_type": "Line",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ebbb7bb9e80305820dc2328a371c1b35679f2667",
"signature_version": "v1",
"deprecated": false,
"id": "CVE-2022-49055-d9880659",
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c"
},
"digest": {
"line_hashes": [
"207838917780535376621033643787055191228",
"46156970100064700749084243662230045149",
"298157472339859478973291618671897113629",
"280424289365394497790279708151763358431"
],
"threshold": 0.9
}
},
{
"signature_type": "Function",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1d7a5aae884ca727d41c7ed15d4c82fdb67c040c",
"signature_version": "v1",
"deprecated": false,
"id": "CVE-2022-49055-e5e99d1a",
"target": {
"file": "drivers/gpu/drm/amd/amdkfd/kfd_events.c",
"function": "alloc_event_waiters"
},
"digest": {
"function_hash": "134126561834339086094862204494442519497",
"length": 269.0
}
}
]
Linux / Kernel
Package
- Name
- Kernel
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced4.2.0Fixed4.9.311
- Type
- ECOSYSTEM
- Events
-
Introduced4.10.0Fixed4.14.276
- Type
- ECOSYSTEM
- Events
-
Introduced4.15.0Fixed4.19.239
- Type
- ECOSYSTEM
- Events
-
Introduced4.20.0Fixed5.4.190
- Type
- ECOSYSTEM
- Events
-
Introduced5.5.0Fixed5.10.112
- Type
- ECOSYSTEM
- Events
-
Introduced5.11.0Fixed5.15.35
- Type
- ECOSYSTEM
- Events
-
Introduced5.16.0Fixed5.17.4