CVE-2022-50436
- Source
- https://cve.org/CVERecord?id=CVE-2022-50436
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50436.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-50436
- Downstream
- Related
- Published
- 2025-10-01T11:42:13.538Z
- Modified
- 2026-03-10T21:47:09.931591Z
- Summary
- ext4: don't set up encryption key during jbd2 transaction
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
ext4: don't set up encryption key during jbd2 transaction
Commit a80f7fcf1867 ("ext4: fixup ext4fctrack_* functions' signature") extended the scope of the transaction in ext4unlink() too far, making it include the call to ext4findentry(). However, ext4find_entry() can deadlock when called from within a transaction because it may need to set up the directory's encryption key.
Fix this by restoring the transaction to its original scope.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50436.json", "cna_assigner": "Linux" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/1ba993208bcfd691e241483420a2a761d3f15750
- https://git.kernel.org/stable/c/206dd3acfb9bca54a25b228c7c7c2257eedde09b
- https://git.kernel.org/stable/c/23ad034760dd38e12b0e0e1b28b9629f330810a1
- https://git.kernel.org/stable/c/4c0d5778385cb3618ff26a561ce41de2b7d9de70
- https://git.kernel.org/stable/c/6220ec405571ded17efedc56587190b542adf246
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50436.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-50436
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
-
Introduceda80f7fcf18672ae4971a6b713b58c0d389aa99feFixed23ad034760dd38e12b0e0e1b28b9629f330810a1Fixed6220ec405571ded17efedc56587190b542adf246Fixed206dd3acfb9bca54a25b228c7c7c2257eedde09bFixed1ba993208bcfd691e241483420a2a761d3f15750Fixed4c0d5778385cb3618ff26a561ce41de2b7d9de70
Affected versions
v5.*
v5.10
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
v5.10.137
v5.10.138
v5.10.139
v5.10.14
v5.10.140
v5.10.141
v5.10.142
v5.10.143
v5.10.144
v5.10.145
v5.10.146
v5.10.147
v5.10.148
v5.10.149
v5.10.15
v5.10.150
v5.10.151
v5.10.152
v5.10.153
v5.10.154
v5.10.155
v5.10.156
v5.10.157
v5.10.158
v5.10.159
v5.10.16
v5.10.160
v5.10.161
v5.10.162
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
v5.15.61
v5.15.62
v5.15.63
v5.15.64
v5.15.65
v5.15.66
v5.15.67
v5.15.68
v5.15.69
v5.15.7
v5.15.70
v5.15.71
v5.15.72
v5.15.73
v5.15.74
v5.15.75
v5.15.76
v5.15.77
v5.15.78
v5.15.79
v5.15.8
v5.15.80
v5.15.81
v5.15.82
v5.15.83
v5.15.84
v5.15.85
v5.15.86
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
v5.19
v5.19-rc1
v5.19-rc2
v5.19-rc3
v5.19-rc4
v5.19-rc5
v5.19-rc6
v5.19-rc7
v5.19-rc8
v6.*
v6.0
v6.0-rc1
v6.0-rc2
v6.0-rc3
v6.0-rc4
v6.0-rc5
v6.0-rc6
v6.0-rc7
v6.0.1
v6.0.10
v6.0.11
v6.0.12
v6.0.13
v6.0.14
v6.0.15
v6.0.16
v6.0.17
v6.0.2
v6.0.3
v6.0.4
v6.0.5
v6.0.6
v6.0.7
v6.0.8
v6.0.9
v6.1
v6.1-rc1
v6.1-rc2
v6.1-rc3
v6.1-rc4
v6.1-rc5
v6.1-rc6
v6.1-rc7
v6.1-rc8
v6.1.1
v6.1.2
v6.1.3
Database specific
vanir_signatures
[
{
"signature_type": "Function",
"signature_version": "v1",
"target": {
"file": "fs/ext4/fast_commit.c",
"function": "ext4_fc_replay_unlink"
},
"id": "CVE-2022-50436-03c202b1",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1ba993208bcfd691e241483420a2a761d3f15750",
"digest": {
"function_hash": "148299109241006569522903969793925788853",
"length": 784.0
}
},
{
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "fs/ext4/namei.c"
},
"id": "CVE-2022-50436-12e8e67d",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@23ad034760dd38e12b0e0e1b28b9629f330810a1",
"digest": {
"line_hashes": [
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"273393231321402504073372443066497836496",
"168585993227542556977095871873163458619",
"131435232338762063188216801526764819235",
"106377186692702937889543885204729132605",
"136803215001180172046017745644948701069",
"245210616471976831149795833405167809196",
"51776114954111836197102530096067528626",
"48621398026600341341231762411037089789",
"227514228447746816703871166864770207237",
"173659706142228083966864246825417302554",
"70178657719884450071521138628693543347",
"306930619553926092733513852944721915954",
"101467685653826099171225289339880943592",
"25694242487532660826388677236047363834",
"197979531116381042702245538272310798146",
"288270388856264789105298260835299358904",
"198079233545359190772854049075239105142",
"226809444597082495321088114446085751548",
"66988972054725711153673951130821954601",
"35822280698524767621056210119391852766",
"133408293824423451155443770013926797084",
"81461964295119374092998121083756669637",
"156348491589115085102383810990417050288",
"13394120943543526483148393953277061381",
"300443191916183396494946350027278657906",
"138678355387385325080743026088375719719",
"288122082024288778371645477056025447788",
"178916182115958836697298285138710508035",
"168567553683710292010990562509399792163",
"164965839839879093740518795738919396544",
"243568271848846278482351209775901327629",
"89573714392158787727934534357927276020",
"20904649004398116025442788845651923834",
"89254943166008291859462871021352554107",
"302798776737875905053799336886891501179",
"57821588545469365640689997673549773853"
],
"threshold": 0.9
}
},
{
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "fs/ext4/namei.c"
},
"id": "CVE-2022-50436-17a0c25f",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6220ec405571ded17efedc56587190b542adf246",
"digest": {
"line_hashes": [
"166006758832799629096768044775714167092",
"178393845387351212414382727656723950266",
"265593338244284736672918612087088285888",
"59842593015311033287930193013199580075",
"304589994188036792889383859696746425909",
"9675092483052778046844707085346906349",
"102857320379175683747485200578673352922",
"209622753580329855177186782873079187180",
"14113563713408078268484873345840831822",
"223319517499841799443408048981001433626",
"258926387592744272545405054032412012586",
"106913491411205530244012089859150871759",
"268237776995339481825271135645314611346",
"37980153615011082979336438719105806443",
"273393231321402504073372443066497836496",
"168585993227542556977095871873163458619",
"131435232338762063188216801526764819235",
"106377186692702937889543885204729132605",
"136803215001180172046017745644948701069",
"245210616471976831149795833405167809196",
"51776114954111836197102530096067528626",
"48621398026600341341231762411037089789",
"227514228447746816703871166864770207237",
"173659706142228083966864246825417302554",
"70178657719884450071521138628693543347",
"306930619553926092733513852944721915954",
"101467685653826099171225289339880943592",
"25694242487532660826388677236047363834",
"197979531116381042702245538272310798146",
"288270388856264789105298260835299358904",
"198079233545359190772854049075239105142",
"226809444597082495321088114446085751548",
"66988972054725711153673951130821954601",
"35822280698524767621056210119391852766",
"133408293824423451155443770013926797084",
"81461964295119374092998121083756669637",
"156348491589115085102383810990417050288",
"13394120943543526483148393953277061381",
"300443191916183396494946350027278657906",
"138678355387385325080743026088375719719",
"288122082024288778371645477056025447788",
"178916182115958836697298285138710508035",
"168567553683710292010990562509399792163",
"164965839839879093740518795738919396544",
"243568271848846278482351209775901327629",
"89573714392158787727934534357927276020",
"20904649004398116025442788845651923834",
"89254943166008291859462871021352554107",
"302798776737875905053799336886891501179",
"57821588545469365640689997673549773853"
],
"threshold": 0.9
}
},
{
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "fs/ext4/fast_commit.c"
},
"id": "CVE-2022-50436-3d5e7d4a",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1ba993208bcfd691e241483420a2a761d3f15750",
"digest": {
"line_hashes": [
"269329854584658489355232881064553860077",
"253356843597085384818826021093477385744",
"78849554250320217121683958744870817541",
"178980766555533820296685665972864177915"
],
"threshold": 0.9
}
},
{
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "fs/ext4/ext4.h"
},
"id": "CVE-2022-50436-40e65ec6",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6220ec405571ded17efedc56587190b542adf246",
"digest": {
"line_hashes": [
"147103059243474174779925639166050185196",
"25789155018928424383420889386339082868",
"320254220132348385346902524172137448766",
"263421228510436940074621325484203830006",
"9738352578207076471524334397908530913"
],
"threshold": 0.9
}
},
{
"signature_type": "Function",
"signature_version": "v1",
"target": {
"file": "fs/ext4/namei.c",
"function": "__ext4_unlink"
},
"id": "CVE-2022-50436-4b7bf6aa",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4c0d5778385cb3618ff26a561ce41de2b7d9de70",
"digest": {
"function_hash": "114539070790533930931896782048042847959",
"length": 1040.0
}
},
{
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "fs/ext4/fast_commit.c"
},
"id": "CVE-2022-50436-4c132d9a",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@23ad034760dd38e12b0e0e1b28b9629f330810a1",
"digest": {
"line_hashes": [
"269329854584658489355232881064553860077",
"253356843597085384818826021093477385744",
"78849554250320217121683958744870817541",
"178980766555533820296685665972864177915"
],
"threshold": 0.9
}
},
{
"signature_type": "Function",
"signature_version": "v1",
"target": {
"file": "fs/ext4/fast_commit.c",
"function": "ext4_fc_replay_unlink"
},
"id": "CVE-2022-50436-5236d8c7",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4c0d5778385cb3618ff26a561ce41de2b7d9de70",
"digest": {
"function_hash": "148299109241006569522903969793925788853",
"length": 784.0
}
},
{
"signature_type": "Line",
"signature_version": "v1",
"target": {
"file": "fs/ext4/namei.c"
},
"id": "CVE-2022-50436-52b0b38d",
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4c0d5778385cb3618ff26a561ce41de2b7d9de70",
"digest": {
"line_hashes": [
"166006758832799629096768044775714167092",
"178393845387351212414382727656723950266",
"265593338244284736672918612087088285888",
"59842593015311033287930193013199580075",
"304589994188036792889383859696746425909",
"9675092483052778046844707085346906349",
"102857320379175683747485200578673352922",
"209622753580329855177186782873079187180",
"14113563713408078268484873345840831822",
"223319517499841799443408048981001433626",
"258926387592744272545405054032412012586",
"106913491411205530244012089859150871759",
"268237776995339481825271135645314611346",
"37980153615011082979336438719105806443",
"273393231321402504073372443066497836496",
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