CVE-2022-49421
- Source
- https://cve.org/CVERecord?id=CVE-2022-49421
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49421.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49421
- Downstream
- Related
- Published
- 2025-02-26T02:12:44.790Z
- Modified
- 2026-03-10T21:48:21.066366Z
- Summary
- video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
video: fbdev: clcdfb: Fix refcount leak in clcdfbofvram_setup
ofparsephandle() returns a node pointer with refcount incremented, we should use ofnodeput() on it when not need anymore. Add missing ofnodeput() to avoid refcount leak.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49421.json" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2e2e2c71b2642289438392edbf5d08cdbc0b138b
- https://git.kernel.org/stable/c/38d245cebf545338a6bc1c7762023de3fbecd7b7
- https://git.kernel.org/stable/c/51eb1bb6baeb478538dd4ec6459fd68c44a855b1
- https://git.kernel.org/stable/c/6c92711db7c90f78e0b67ac2a8944d0fe7e12d83
- https://git.kernel.org/stable/c/8db59df7f5826e104db82cfddbf22a33a151193e
- https://git.kernel.org/stable/c/b23789a59fa6f00e98a319291819f91fbba0deb8
- https://git.kernel.org/stable/c/bbb2a24e863b6a10129546a0a4ceea2f07deec39
- https://git.kernel.org/stable/c/c1c4405222b6fc98c16e8c2aa679c14e41d81465
- https://git.kernel.org/stable/c/f2dfb4ab887d67be7d0892ba041d3c8d738d3356
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49421.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49421
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
-
Introducedd10715be03bd8bad59ddc50236cb140c3bd73c7bFixed6c92711db7c90f78e0b67ac2a8944d0fe7e12d83Fixed2e2e2c71b2642289438392edbf5d08cdbc0b138bFixed51eb1bb6baeb478538dd4ec6459fd68c44a855b1Fixed8db59df7f5826e104db82cfddbf22a33a151193eFixedc1c4405222b6fc98c16e8c2aa679c14e41d81465Fixedf2dfb4ab887d67be7d0892ba041d3c8d738d3356Fixedbbb2a24e863b6a10129546a0a4ceea2f07deec39Fixed38d245cebf545338a6bc1c7762023de3fbecd7b7Fixedb23789a59fa6f00e98a319291819f91fbba0deb8
Affected versions
v3.*
v3.16
v3.16-rc3
v3.16-rc4
v3.16-rc5
v3.16-rc6
v3.16-rc7
v3.17
v3.17-rc1
v3.17-rc2
v3.17-rc3
v3.17-rc4
v3.17-rc5
v3.17-rc6
v3.17-rc7
v3.18
v3.18-rc1
v3.18-rc2
v3.18-rc3
v3.18-rc4
v3.18-rc5
v3.18-rc6
v3.18-rc7
v3.19
v3.19-rc1
v3.19-rc2
v3.19-rc3
v3.19-rc4
v3.19-rc5
v3.19-rc6
v3.19-rc7
v4.*
v4.0
v4.0-rc1
v4.0-rc2
v4.0-rc3
v4.0-rc4
v4.0-rc5
v4.0-rc6
v4.0-rc7
v4.1
v4.1-rc1
v4.1-rc2
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
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v4.14.119
v4.14.12
v4.14.120
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v4.14.16
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v4.14.2
v4.14.20
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v4.14.280
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v4.14.282
v4.14.29
v4.14.3
v4.14.30
v4.14.31
v4.14.32
v4.14.33
v4.14.34
v4.14.35
v4.14.36
v4.14.37
v4.14.38
v4.14.39
v4.14.4
v4.14.40
v4.14.41
v4.14.42
v4.14.43
v4.14.44
v4.14.45
v4.14.46
v4.14.47
v4.14.48
v4.14.49
v4.14.5
v4.14.50
v4.14.51
v4.14.52
v4.14.53
v4.14.54
v4.14.55
v4.14.56
v4.14.57
v4.14.58
v4.14.59
v4.14.6
v4.14.60
v4.14.61
v4.14.62
v4.14.63
v4.14.64
v4.14.65
v4.14.66
v4.14.67
v4.14.68
v4.14.69
v4.14.7
v4.14.70
v4.14.71
v4.14.72
v4.14.73
v4.14.74
v4.14.75
v4.14.76
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
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v4.19.126
v4.19.127
v4.19.128
v4.19.129
v4.19.13
v4.19.130
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v4.19.136
v4.19.137
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v4.19.148
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v4.19.15
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v4.19.17
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v4.19.176
v4.19.177
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v4.19.18
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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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v4.19.21
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v4.19.215
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v4.19.23
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v4.19.3
v4.19.30
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v4.19.32
v4.19.33
v4.19.34
v4.19.35
v4.19.36
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v4.19.4
v4.19.40
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v4.19.43
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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
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v4.19.6
v4.19.60
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v4.19.63
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v4.19.7
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v4.19.8
v4.19.80
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v4.19.9
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v4.19.94
v4.19.95
v4.19.96
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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
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v4.9.12
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v4.9.2
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v4.9.208
v4.9.209
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v4.9.3
v4.9.30
v4.9.300
v4.9.301
v4.9.302
v4.9.303
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v4.9.31
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v4.9.36
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v4.9.4
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v4.9.43
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v4.9.5
v4.9.50
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v4.9.53
v4.9.54
v4.9.55
v4.9.56
v4.9.57
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v4.9.6
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v5.*
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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
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v5.10.113
v5.10.114
v5.10.115
v5.10.116
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v5.10.118
v5.10.119
v5.10.12
v5.10.120
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
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v5.10.24
v5.10.25
v5.10.26
v5.10.27
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v5.10.3
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v5.11
v5.11-rc1
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v5.11-rc3
v5.11-rc4
v5.11-rc5
v5.11-rc6
v5.11-rc7
v5.12
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v5.12-rc1-dontuse
v5.12-rc2
v5.12-rc3
v5.12-rc4
v5.12-rc5
v5.12-rc6
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v5.13
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v5.14
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v5.14-rc3
v5.14-rc4
v5.14-rc5
v5.14-rc6
v5.14-rc7
v5.15
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v5.3
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v5.4
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v5.4-rc3
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v5.4.109
v5.4.11
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v5.6-rc2
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v5.6-rc4
v5.6-rc5
v5.6-rc6
v5.6-rc7
v5.7
v5.7-rc1
v5.7-rc2
v5.7-rc3
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v5.7-rc7
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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
[
{
"signature_type": "Function",
"deprecated": false,
"id": "CVE-2022-49421-0f2d8b5a",
"target": {
"file": "drivers/video/fbdev/amba-clcd.c",
"function": "clcdfb_of_vram_setup"
},
"digest": {
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"function_hash": "336785686686485532612540574041958712658"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bbb2a24e863b6a10129546a0a4ceea2f07deec39"
},
{
"signature_type": "Function",
"deprecated": false,
"id": "CVE-2022-49421-16e4ee92",
"target": {
"file": "drivers/video/fbdev/amba-clcd.c",
"function": "clcdfb_of_vram_setup"
},
"digest": {
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"function_hash": "336785686686485532612540574041958712658"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@38d245cebf545338a6bc1c7762023de3fbecd7b7"
},
{
"signature_type": "Line",
"deprecated": false,
"id": "CVE-2022-49421-2d703ff7",
"target": {
"file": "drivers/video/fbdev/amba-clcd.c"
},
"digest": {
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"line_hashes": [
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]
},
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},
{
"signature_type": "Line",
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"id": "CVE-2022-49421-34be9eaa",
"target": {
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},
"digest": {
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"line_hashes": [
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]
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},
{
"signature_type": "Function",
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"id": "CVE-2022-49421-42802eae",
"target": {
"file": "drivers/video/fbdev/amba-clcd.c",
"function": "clcdfb_of_vram_setup"
},
"digest": {
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},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c1c4405222b6fc98c16e8c2aa679c14e41d81465"
},
{
"signature_type": "Function",
"deprecated": false,
"id": "CVE-2022-49421-5a1e0d97",
"target": {
"file": "drivers/video/fbdev/amba-clcd.c",
"function": "clcdfb_of_vram_setup"
},
"digest": {
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"function_hash": "336785686686485532612540574041958712658"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f2dfb4ab887d67be7d0892ba041d3c8d738d3356"
},
{
"signature_type": "Line",
"deprecated": false,
"id": "CVE-2022-49421-733fb9f5",
"target": {
"file": "drivers/video/fbdev/amba-clcd.c"
},
"digest": {
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"line_hashes": [
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},
{
"signature_type": "Line",
"deprecated": false,
"id": "CVE-2022-49421-8469de77",
"target": {
"file": "drivers/video/fbdev/amba-clcd.c"
},
"digest": {
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"line_hashes": [
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},
{
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