CVE-2022-48759
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-48759
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-48759.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-48759
- Downstream
- Related
- Published
- 2024-06-20T11:13:37.872Z
- Modified
- 2025-11-19T13:11:33.147709Z
- Summary
- rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
rpmsg: char: Fix race between the release of rpmsg_ctrldev and cdev
struct rpmsgctrldev contains a struct cdev. The current code frees the rpmsgctrldev struct in rpmsgctrldevreleasedevice(), but the cdev is a managed object, therefore its release is not predictable and the rpmsgctrldev could be freed before the cdev is entirely released, as in the backtrace below.
[ 93.625603] ODEBUG: free active (active state 0) object type: timerlist hint: delayedworktimerfn+0x0/0x7c [ 93.636115] WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:488 debugprintobject+0x13c/0x1b0 [ 93.644799] Modules linked in: veth xtcgroup xtMASQUERADE rfcomm algifhash algifskcipher afalg uinput ip6tablenat fuse uvcvideo videobuf2vmalloc venusenc venusdec videobuf2dmacontig hciuart btandroid btqca sndsocrt5682i2c bluetooth qcomspmitempalarm sndsocrt5682v [ 93.715175] CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G B 5.4.163-lockdep #26 [ 93.723855] Hardware name: Google Lazor (rev3 - 8) with LTE (DT) [ 93.730055] Workqueue: events kobjectdelayedcleanup [ 93.735271] pstate: 60c00009 (nZCv daif +PAN +UAO) [ 93.740216] pc : debugprintobject+0x13c/0x1b0 [ 93.744890] lr : debugprintobject+0x13c/0x1b0 [ 93.749555] sp : ffffffacf5bc7940 [ 93.752978] x29: ffffffacf5bc7940 x28: dfffffd000000000 [ 93.758448] x27: ffffffacdb11a800 x26: dfffffd000000000 [ 93.763916] x25: ffffffd0734f856c x24: dfffffd000000000 [ 93.769389] x23: 0000000000000000 x22: ffffffd0733c35b0 [ 93.774860] x21: ffffffd0751994a0 x20: ffffffd075ec27c0 [ 93.780338] x19: ffffffd075199100 x18: 00000000000276e0 [ 93.785814] x17: 0000000000000000 x16: dfffffd000000000 [ 93.791291] x15: ffffffffffffffff x14: 6e6968207473696c [ 93.796768] x13: 0000000000000000 x12: ffffffd075e2b000 [ 93.802244] x11: 0000000000000001 x10: 0000000000000000 [ 93.807723] x9 : d13400dff1921900 x8 : d13400dff1921900 [ 93.813200] x7 : 0000000000000000 x6 : 0000000000000000 [ 93.818676] x5 : 0000000000000080 x4 : 0000000000000000 [ 93.824152] x3 : ffffffd0732a0fa4 x2 : 0000000000000001 [ 93.829628] x1 : ffffffacf5bc7580 x0 : 0000000000000061 [ 93.835104] Call trace: [ 93.837644] debugprintobject+0x13c/0x1b0 [ 93.841963] _debugchecknoobjfreed+0x25c/0x3c0 [ 93.846987] debugchecknoobjfreed+0x18/0x20 [ 93.851669] slabfreefreelisthook+0xbc/0x1e4 [ 93.856346] kfree+0xfc/0x2f4 [ 93.859416] rpmsgctrldevreleasedevice+0x78/0xb8 [ 93.864445] devicerelease+0x84/0x168 [ 93.868310] kobjectcleanup+0x12c/0x298 [ 93.872356] kobjectdelayedcleanup+0x10/0x18 [ 93.876948] processonework+0x578/0x92c [ 93.881086] workerthread+0x804/0xcf8 [ 93.884963] kthread+0x2a8/0x314 [ 93.888303] retfromfork+0x10/0x18
The cdevdeviceadd/del() API was created to address this issue (see commit '233ed09d7fda ("chardev: add helper function to register char devs with a struct device")'), use it instead of cdev add/del().
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/1dbb206730f3e5ce90014ad569ddf8167ec4124a
- https://git.kernel.org/stable/c/70cb4295ec806b663665e1d2ed15caab6159880e
- https://git.kernel.org/stable/c/74d85e9fbc7022a4011102c7474a9c7aeb704a35
- https://git.kernel.org/stable/c/85aba11a8ea92a8eef2de95ebbe063086fd62d9c
- https://git.kernel.org/stable/c/b7fb2dad571d1e21173c06cef0bced77b323990a
- https://git.kernel.org/stable/c/d6cdc6ae542845d4d0ac8b6d99362bde7042a3c7
- https://git.kernel.org/stable/c/da27b834c1e0222e149e06caddf7718478086d1b
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
-
Introducedc0cdc19f84a4712cf74888f83af286e3c2e14efdFixed74d85e9fbc7022a4011102c7474a9c7aeb704a35
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedc0cdc19f84a4712cf74888f83af286e3c2e14efdFixed70cb4295ec806b663665e1d2ed15caab6159880e
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedc0cdc19f84a4712cf74888f83af286e3c2e14efdFixedda27b834c1e0222e149e06caddf7718478086d1b
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedc0cdc19f84a4712cf74888f83af286e3c2e14efdFixed1dbb206730f3e5ce90014ad569ddf8167ec4124a
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedc0cdc19f84a4712cf74888f83af286e3c2e14efdFixed85aba11a8ea92a8eef2de95ebbe063086fd62d9c
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedc0cdc19f84a4712cf74888f83af286e3c2e14efdFixedd6cdc6ae542845d4d0ac8b6d99362bde7042a3c7
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introducedc0cdc19f84a4712cf74888f83af286e3c2e14efdFixedb7fb2dad571d1e21173c06cef0bced77b323990a
Affected versions
v4.*
v4.10
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
v4.14.138
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
v4.14.147
v4.14.148
v4.14.149
v4.14.15
v4.14.150
v4.14.151
v4.14.152
v4.14.153
v4.14.154
v4.14.155
v4.14.156
v4.14.157
v4.14.158
v4.14.159
v4.14.16
v4.14.160
v4.14.161
v4.14.162
v4.14.163
v4.14.164
v4.14.165
v4.14.166
v4.14.167
v4.14.168
v4.14.169
v4.14.17
v4.14.170
v4.14.171
v4.14.172
v4.14.173
v4.14.174
v4.14.175
v4.14.176
v4.14.177
v4.14.178
v4.14.179
v4.14.18
v4.14.180
v4.14.181
v4.14.182
v4.14.183
v4.14.184
v4.14.185
v4.14.186
v4.14.187
v4.14.188
v4.14.189
v4.14.19
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
v4.14.2
v4.14.20
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
v4.14.21
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
v4.14.22
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
v4.14.23
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
v4.14.24
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
v4.14.25
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
v4.14.26
v4.14.260
v4.14.261
v4.14.262
v4.14.263
v4.14.264
v4.14.27
v4.14.28
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
v4.19.125
v4.19.126
v4.19.127
v4.19.128
v4.19.129
v4.19.13
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
v4.19.14
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
v4.19.15
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
v4.19.16
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
v4.19.17
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
v4.19.18
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
v4.19.19
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
v4.19.2
v4.19.20
v4.19.200
v4.19.201
v4.19.202
v4.19.203
v4.19.204
v4.19.205
v4.19.206
v4.19.207
v4.19.208
v4.19.209
v4.19.21
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
v4.19.22
v4.19.220
v4.19.221
v4.19.222
v4.19.223
v4.19.224
v4.19.225
v4.19.226
v4.19.227
v4.19.23
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
v4.19.71
v4.19.72
v4.19.73
v4.19.74
v4.19.75
v4.19.76
v4.19.77
v4.19.78
v4.19.79
v4.19.8
v4.19.80
v4.19.81
v4.19.82
v4.19.83
v4.19.84
v4.19.85
v4.19.86
v4.19.87
v4.19.88
v4.19.89
v4.19.9
v4.19.90
v4.19.91
v4.19.92
v4.19.93
v4.19.94
v4.19.95
v4.19.96
v4.19.97
v4.19.98
v4.19.99
v4.20
v4.20-rc1
v4.20-rc2
v4.20-rc3
v4.20-rc4
v4.20-rc5
v4.20-rc6
v4.20-rc7
v5.*
v5.0
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
v5.10.11
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
v5.11
v5.11-rc1
v5.11-rc2
v5.11-rc3
v5.11-rc4
v5.11-rc5
v5.11-rc6
v5.11-rc7
v5.12
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v5.15.18
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v5.9-rc1
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v5.9-rc3
v5.9-rc4
v5.9-rc5
v5.9-rc6
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v5.9-rc8
Database specific
vanir_signatures
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"file": "drivers/rpmsg/rpmsg_char.c",
"function": "rpmsg_chrdev_probe"
},
"id": "CVE-2022-48759-ccfc577a"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 234.0,
"function_hash": "299706132180298594777136538507332594556"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b7fb2dad571d1e21173c06cef0bced77b323990a",
"target": {
"file": "drivers/rpmsg/rpmsg_char.c",
"function": "rpmsg_ctrldev_release_device"
},
"id": "CVE-2022-48759-d5b996b8"
},
{
"signature_type": "Line",
"deprecated": false,
"digest": {
"line_hashes": [
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],
"threshold": 0.9
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b7fb2dad571d1e21173c06cef0bced77b323990a",
"target": {
"file": "drivers/rpmsg/rpmsg_char.c"
},
"id": "CVE-2022-48759-e403e008"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 234.0,
"function_hash": "299706132180298594777136538507332594556"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1dbb206730f3e5ce90014ad569ddf8167ec4124a",
"target": {
"file": "drivers/rpmsg/rpmsg_char.c",
"function": "rpmsg_ctrldev_release_device"
},
"id": "CVE-2022-48759-e798daa6"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 1218.0,
"function_hash": "245305065102516996232993383733589702015"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@85aba11a8ea92a8eef2de95ebbe063086fd62d9c",
"target": {
"file": "drivers/rpmsg/rpmsg_char.c",
"function": "rpmsg_chrdev_probe"
},
"id": "CVE-2022-48759-e7c44881"
},
{
"signature_type": "Function",
"deprecated": false,
"digest": {
"length": 1218.0,
"function_hash": "245305065102516996232993383733589702015"
},
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@74d85e9fbc7022a4011102c7474a9c7aeb704a35",
"target": {
"file": "drivers/rpmsg/rpmsg_char.c",
"function": "rpmsg_chrdev_probe"
},
"id": "CVE-2022-48759-eedfb5dd"
}
]
Linux / Kernel
Package
- Name
- Kernel
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced4.11.0Fixed4.14.265
- Type
- ECOSYSTEM
- Events
-
Introduced4.15.0Fixed4.19.228
- Type
- ECOSYSTEM
- Events
-
Introduced4.20.0Fixed5.4.176
- Type
- ECOSYSTEM
- Events
-
Introduced5.5.0Fixed5.10.96
- Type
- ECOSYSTEM
- Events
-
Introduced5.11.0Fixed5.15.19
- Type
- ECOSYSTEM
- Events
-
Introduced5.16.0Fixed5.16.5