CVE-2022-50401
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-50401
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50401.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-50401
- Downstream
- Related
- Published
- 2025-09-18T16:03:47Z
- Modified
- 2025-10-15T03:53:16.020015Z
- Summary
- nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
nfsd: under NFSv4.1, fix double svcxprtput on rpc_create failure
On error situation
clp->cl_cb_conn.cb_xprtshould not be given a reference to the xprt otherwise both client cleanup and the error handling path of the caller call to put it. Better to delay handing over the reference to a later branch.[ 72.530665] refcountt: underflow; use-after-free. [ 72.531933] WARNING: CPU: 0 PID: 173 at lib/refcount.c:28 refcountwarnsaturate+0xcf/0x120 [ 72.533075] Modules linked in: nfsd(OE) nfsv4(OE) nfsv3(OE) nfs(OE) lockd(OE) compatnfsssc(OE) nfsacl(OE) rpcsecgsskrb5(OE) authrpcgss(OE) rpcrdma(OE) dnsresolver fscache netfs grace rdmacm iwcm ibcm sunrpc(OE) mlx5ib mlx5core mlxfw pcihypervintf ibuverbs ibcore xtMASQUERADE nfconntracknetlink nftcounter xtaddrtype nftcompat brnetfilter bridge stp llc nftrejectinet nfrejectipv4 nfrejectipv6 nftreject nftct nftchainnat nfnat nfconntrack nfdefragipv6 nfdefragipv4 ipset overlay nftables nfnetlink crct10difpclmul crc32pclmul ghashclmulniintel xfs serioraw virtionet virtioblk netfailover failover fuse [last unloaded: sunrpc] [ 72.540389] CPU: 0 PID: 173 Comm: kworker/u16:5 Tainted: G OE 5.15.82-dan #1 [ 72.541511] Hardware name: Red Hat KVM/RHEL-AV, BIOS 1.16.0-3.module+el8.7.0+1084+97b81f61 04/01/2014 [ 72.542717] Workqueue: nfsd4callbacks nfsd4runcbwork [nfsd] [ 72.543575] RIP: 0010:refcountwarnsaturate+0xcf/0x120 [ 72.544299] Code: 55 00 0f 0b 5d e9 01 50 98 00 80 3d 75 9e 39 08 00 0f 85 74 ff ff ff 48 c7 c7 e8 d1 60 8e c6 05 61 9e 39 08 01 e8 f6 51 55 00 <0f> 0b 5d e9 d9 4f 98 00 80 3d 4b 9e 39 08 00 0f 85 4c ff ff ff 48 [ 72.546666] RSP: 0018:ffffb3f841157cf0 EFLAGS: 00010286 [ 72.547393] RAX: 0000000000000026 RBX: ffff89ac6231d478 RCX: 0000000000000000 [ 72.548324] RDX: ffff89adb7c2c2c0 RSI: ffff89adb7c205c0 RDI: ffff89adb7c205c0 [ 72.549271] RBP: ffffb3f841157cf0 R08: 0000000000000000 R09: c0000000ffefffff [ 72.550209] R10: 0000000000000001 R11: ffffb3f841157ad0 R12: ffff89ac6231d180 [ 72.551142] R13: ffff89ac6231d478 R14: ffff89ac40c06180 R15: ffff89ac6231d4b0 [ 72.552089] FS: 0000000000000000(0000) GS:ffff89adb7c00000(0000) knlGS:0000000000000000 [ 72.553175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.553934] CR2: 0000563a310506a8 CR3: 0000000109a66000 CR4: 0000000000350ef0 [ 72.554874] Call Trace: [ 72.555278] <TASK> [ 72.555614] svcxprtput+0xaf/0xe0 [sunrpc] [ 72.556276] nfsd4processcbupdate.isra.11+0xb7/0x410 [nfsd] [ 72.557087] ? updateloadavg+0x82/0x610 [ 72.557652] ? cpuacctcharge+0x60/0x70 [ 72.558212] ? dequeueentity+0xdb/0x3e0 [ 72.558765] ? queuedspinunlock+0x9/0x20 [ 72.559358] nfsd4runcbwork+0xfc/0x270 [nfsd] [ 72.560031] processonework+0x1df/0x390 [ 72.560600] workerthread+0x37/0x3b0 [ 72.561644] ? processonework+0x390/0x390 [ 72.562247] kthread+0x12f/0x150 [ 72.562710] ? setkthreadstruct+0x50/0x50 [ 72.563309] retfromfork+0x22/0x30 [ 72.563818] </TASK> [ 72.564189] ---[ end trace 031117b1c72ec616 ]--- [ 72.566019] listadd corruption. next->prev should be prev (ffff89ac4977e538), but was ffff89ac4763e018. (next=ffff89ac4763e018). [ 72.567647] ------------[ cut here ]------------
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/15fc60aa5bdcf6d5f93000d3d00579fc67632ee0
- https://git.kernel.org/stable/c/3bc8edc98bd43540dbe648e4ef91f443d6d20a24
- https://git.kernel.org/stable/c/707bcca9616002d204091ca7c4d1d91151104332
- https://git.kernel.org/stable/c/9b4ae8c42d2ff09ed7c5832ccce5684c55e5ed23
- https://git.kernel.org/stable/c/a472f069ced8601979f53c13c0cf20236074ed46
- https://git.kernel.org/stable/c/c1207219a4bfa50121c9345d5d165470d0a82531
- https://git.kernel.org/stable/c/d843ebd860c58a38e45527e8ec6516059f4c97f3
- https://git.kernel.org/stable/c/e2f9f03e4537f3fcc8fd2bdd3248530c3477a371
- https://git.kernel.org/stable/c/fddac3b4578d302ac9e51e7f03a9aae6254ae2a3
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
-
Introduced69151594c72a1748cf93ae5b5fa68d5084253dceFixed707bcca9616002d204091ca7c4d1d91151104332
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced0c4fb76c4e711d9e4e70ddc6732310a17076175dFixed15fc60aa5bdcf6d5f93000d3d00579fc67632ee0
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced22c721560ef24003bcb9c3d9c358841dcfa4e212Fixed9b4ae8c42d2ff09ed7c5832ccce5684c55e5ed23
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducede8cac2e3067e8587f8271c2177cc5ca924a61b54Fixedfddac3b4578d302ac9e51e7f03a9aae6254ae2a3
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda4abc6b12eb1f7a533c2e7484cfa555454ff0977Fixedc1207219a4bfa50121c9345d5d165470d0a82531
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda4abc6b12eb1f7a533c2e7484cfa555454ff0977Fixeda472f069ced8601979f53c13c0cf20236074ed46
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda4abc6b12eb1f7a533c2e7484cfa555454ff0977Fixede2f9f03e4537f3fcc8fd2bdd3248530c3477a371
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda4abc6b12eb1f7a533c2e7484cfa555454ff0977Fixedd843ebd860c58a38e45527e8ec6516059f4c97f3
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda4abc6b12eb1f7a533c2e7484cfa555454ff0977Fixed3bc8edc98bd43540dbe648e4ef91f443d6d20a24
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedf5a50e848e4509448b8b91536b5d421722bf154b
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedc745f9ef3c8cbae70556131eaeaf0f64510243b7
Affected versions
v4.*
v4.14.186
v4.14.187
v4.14.188
v4.14.189
v4.14.190
v4.14.191
v4.14.192
v4.14.193
v4.14.194
v4.14.195
v4.14.196
v4.14.197
v4.14.198
v4.14.199
v4.14.200
v4.14.201
v4.14.202
v4.14.203
v4.14.204
v4.14.205
v4.14.206
v4.14.207
v4.14.208
v4.14.209
v4.14.210
v4.14.211
v4.14.212
v4.14.213
v4.14.214
v4.14.215
v4.14.216
v4.14.217
v4.14.218
v4.14.219
v4.14.220
v4.14.221
v4.14.222
v4.14.223
v4.14.224
v4.14.225
v4.14.226
v4.14.227
v4.14.228
v4.14.229
v4.14.230
v4.14.231
v4.14.232
v4.14.233
v4.14.234
v4.14.235
v4.14.236
v4.14.237
v4.14.238
v4.14.239
v4.14.240
v4.14.241
v4.14.242
v4.14.243
v4.14.244
v4.14.245
v4.14.246
v4.14.247
v4.14.248
v4.14.249
v4.14.250
v4.14.251
v4.14.252
v4.14.253
v4.14.254
v4.14.255
v4.14.256
v4.14.257
v4.14.258
v4.14.259
v4.14.260
v4.14.261
v4.14.262
v4.14.263
v4.14.264
v4.14.265
v4.14.266
v4.14.267
v4.14.268
v4.14.269
v4.14.270
v4.14.271
v4.14.272
v4.14.273
v4.14.274
v4.14.275
v4.14.276
v4.14.277
v4.14.278
v4.14.279
v4.14.280
v4.14.281
v4.14.282
v4.14.283
v4.14.284
v4.14.285
v4.14.286
v4.14.287
v4.14.288
v4.14.289
v4.14.290
v4.14.291
v4.14.292
v4.14.293
v4.14.294
v4.14.295
v4.14.296
v4.14.297
v4.14.298
v4.14.299
v4.14.300
v4.14.301
v4.14.302
v4.19.130
v4.19.131
v4.19.132
v4.19.133
v4.19.134
v4.19.135
v4.19.136
v4.19.137
v4.19.138
v4.19.139
v4.19.140
v4.19.141
v4.19.142
v4.19.143
v4.19.144
v4.19.145
v4.19.146
v4.19.147
v4.19.148
v4.19.149
v4.19.150
v4.19.151
v4.19.152
v4.19.153
v4.19.154
v4.19.155
v4.19.156
v4.19.157
v4.19.158
v4.19.159
v4.19.160
v4.19.161
v4.19.162
v4.19.163
v4.19.164
v4.19.165
v4.19.166
v4.19.167
v4.19.168
v4.19.169
v4.19.170
v4.19.171
v4.19.172
v4.19.173
v4.19.174
v4.19.175
v4.19.176
v4.19.177
v4.19.178
v4.19.179
v4.19.180
v4.19.181
v4.19.182
v4.19.183
v4.19.184
v4.19.185
v4.19.186
v4.19.187
v4.19.188
v4.19.189
v4.19.190
v4.19.191
v4.19.192
v4.19.193
v4.19.194
v4.19.195
v4.19.196
v4.19.197
v4.19.198
v4.19.199
v4.19.200
v4.19.201
v4.19.202
v4.19.203
v4.19.204
v4.19.205
v4.19.206
v4.19.207
v4.19.208
v4.19.209
v4.19.210
v4.19.211
v4.19.212
v4.19.213
v4.19.214
v4.19.215
v4.19.216
v4.19.217
v4.19.218
v4.19.219
v4.19.220
v4.19.221
v4.19.222
v4.19.223
v4.19.224
v4.19.225
v4.19.226
v4.19.227
v4.19.228
v4.19.229
v4.19.230
v4.19.231
v4.19.232
v4.19.233
v4.19.234
v4.19.235
v4.19.236
v4.19.237
v4.19.238
v4.19.239
v4.19.240
v4.19.241
v4.19.242
v4.19.243
v4.19.244
v4.19.245
v4.19.246
v4.19.247
v4.19.248
v4.19.249
v4.19.250
v4.19.251
v4.19.252
v4.19.253
v4.19.254
v4.19.255
v4.19.256
v4.19.257
v4.19.258
v4.19.259
v4.19.260
v4.19.261
v4.19.262
v4.19.263
v4.19.264
v4.19.265
v4.19.266
v4.19.267
v4.19.268
v4.19.269
v4.4.229
v4.4.230
v4.4.231
v4.4.232
v4.4.233
v4.4.234
v4.4.235
v4.4.236
v4.4.237
v4.4.238
v4.4.239
v4.4.240
v4.4.241
v4.4.242
v4.4.243
v4.4.244
v4.4.245
v4.4.246
v4.4.247
v4.4.248
v4.4.249
v4.4.250
v4.4.251
v4.4.252
v4.4.253
v4.4.254
v4.4.255
v4.4.256
v4.4.257
v4.4.258
v4.4.259
v4.4.260
v4.4.261
v4.4.262
v4.4.263
v4.4.264
v4.4.265
v4.4.266
v4.4.267
v4.4.268
v4.4.269
v4.4.270
v4.4.271
v4.4.272
v4.4.273
v4.4.274
v4.4.275
v4.4.276
v4.4.277
v4.4.278
v4.4.279
v4.4.280
v4.4.281
v4.4.282
v4.4.283
v4.4.284
v4.4.285
v4.4.286
v4.4.287
v4.4.288
v4.4.289
v4.4.290
v4.4.291
v4.4.292
v4.4.293
v4.4.294
v4.4.295
v4.4.296
v4.4.297
v4.4.298
v4.4.299
v4.4.300
v4.4.301
v4.4.302
v4.9.229
v4.9.230
v4.9.231
v4.9.232
v4.9.233
v4.9.234
v4.9.235
v4.9.236
v4.9.237
v4.9.238
v4.9.239
v4.9.240
v4.9.241
v4.9.242
v4.9.243
v4.9.244
v4.9.245
v4.9.246
v4.9.247
v4.9.248
v4.9.249
v4.9.250
v4.9.251
v4.9.252
v4.9.253
v4.9.254
v4.9.255
v4.9.256
v4.9.257
v4.9.258
v4.9.259
v4.9.260
v4.9.261
v4.9.262
v4.9.263
v4.9.264
v4.9.265
v4.9.266
v4.9.267
v4.9.268
v4.9.269
v4.9.270
v4.9.271
v4.9.272
v4.9.273
v4.9.274
v4.9.275
v4.9.276
v4.9.277
v4.9.278
v4.9.279
v4.9.280
v4.9.281
v4.9.282
v4.9.283
v4.9.284
v4.9.285
v4.9.286
v4.9.287
v4.9.288
v4.9.289
v4.9.290
v4.9.291
v4.9.292
v4.9.293
v4.9.294
v4.9.295
v4.9.296
v4.9.297
v4.9.298
v4.9.299
v4.9.300
v4.9.301
v4.9.302
v4.9.303
v4.9.304
v4.9.305
v4.9.306
v4.9.307
v4.9.308
v4.9.309
v4.9.310
v4.9.311
v4.9.312
v4.9.313
v4.9.314
v4.9.315
v4.9.316
v4.9.317
v4.9.318
v4.9.319
v4.9.320
v4.9.321
v4.9.322
v4.9.323
v4.9.324
v4.9.325
v4.9.326
v4.9.327
v4.9.328
v4.9.329
v4.9.330
v4.9.331
v4.9.332
v4.9.333
v4.9.334
v4.9.335
v4.9.336
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
v5.10.110
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
v5.11.1
v5.11.10
v5.11.11
v5.11.12
v5.11.13
v5.11.14
v5.11.15
v5.11.16
v5.11.17
v5.11.18
v5.11.19
v5.11.2
v5.11.20
v5.11.21
v5.11.3
v5.11.4
v5.11.5
v5.11.6
v5.11.7
v5.11.8
v5.11.9
v5.12
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v5.4.100
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v5.9.3
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v6.*
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v6.9.6
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v6.9.8
v6.9.9
Database specific
{
"vanir_signatures": [
{
"id": "CVE-2022-50401-0090163a",
"signature_type": "Function",
"target": {
"file": "fs/nfsd/nfs4callback.c",
"function": "setup_callback_client"
},
"signature_version": "v1",
"digest": {
"length": 1611.0,
"function_hash": "305431463026463558416649214338587448983"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@fddac3b4578d302ac9e51e7f03a9aae6254ae2a3"
},
{
"id": "CVE-2022-50401-04964ad8",
"signature_type": "Line",
"target": {
"file": "fs/nfsd/nfs4callback.c"
},
"signature_version": "v1",
"digest": {
"line_hashes": [
"61752893630733646937645191674767362726",
"302215218007034788757458014096191037735",
"239479188363254508745998612866288265163",
"29262813003772333810186951024763035031",
"294565668826427497510975892457326368779",
"141051800477947766145473315421468519682",
"9747272758399283060917371321088446943",
"1829243685077298181694310315139581575"
],
"threshold": 0.9
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@e2f9f03e4537f3fcc8fd2bdd3248530c3477a371"
},
{
"id": "CVE-2022-50401-4ad523d4",
"signature_type": "Line",
"target": {
"file": "fs/nfsd/nfs4callback.c"
},
"signature_version": "v1",
"digest": {
"line_hashes": [
"61752893630733646937645191674767362726",
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}
Linux / Kernel
Package
- Name
- Kernel
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed4.9.337
- Type
- ECOSYSTEM
- Events
-
Introduced4.10.0Fixed4.14.303
- Type
- ECOSYSTEM
- Events
-
Introduced4.15.0Fixed4.19.270
- Type
- ECOSYSTEM
- Events
-
Introduced4.20.0Fixed5.4.229
- Type
- ECOSYSTEM
- Events
-
Introduced5.5.0Fixed5.10.163
- Type
- ECOSYSTEM
- Events
-
Introduced5.8.0Fixed5.15.86
- Type
- ECOSYSTEM
- Events
-
Introduced5.11.0Fixed6.0.16
- Type
- ECOSYSTEM
- Events
-
Introduced5.16.0Fixed6.1.2