CVE-2023-53578
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-53578
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53578.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2023-53578
- Downstream
- Published
- 2025-10-04T15:17:17Z
- Modified
- 2025-10-21T17:53:09.453047Z
- Summary
- net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
net: qrtr: Fix an uninit variable access bug in qrtrtxresume()
Syzbot reported a bug as following:
===================================================== BUG: KMSAN: uninit-value in qrtrtxresume+0x185/0x1f0 net/qrtr/afqrtr.c:230 qrtrtxresume+0x185/0x1f0 net/qrtr/afqrtr.c:230 qrtrendpointpost+0xf85/0x11b0 net/qrtr/afqrtr.c:519 qrtrtunwriteiter+0x270/0x400 net/qrtr/tun.c:108 callwriteiter include/linux/fs.h:2189 [inline] aiowrite+0x63a/0x950 fs/aio.c:1600 iosubmitone+0x1d1c/0x3bf0 fs/aio.c:2019 _dosysiosubmit fs/aio.c:2078 [inline] _sesysiosubmit+0x293/0x770 fs/aio.c:2048 _x64sysiosubmit+0x92/0xd0 fs/aio.c:2048 dosyscallx64 arch/x86/entry/common.c:50 [inline] dosyscall64+0x3d/0xb0 arch/x86/entry/common.c:80 entrySYSCALL64after_hwframe+0x63/0xcd
Uninit was created at: slabpostallochook mm/slab.h:766 [inline] slaballocnode mm/slub.c:3452 [inline] _kmemcacheallocnode+0x71f/0xce0 mm/slub.c:3491 _dokmallocnode mm/slabcommon.c:967 [inline] _kmallocnodetrackcaller+0x114/0x3b0 mm/slabcommon.c:988 kmallocreserve net/core/skbuff.c:492 [inline] _allocskb+0x3af/0x8f0 net/core/skbuff.c:565 _netdevallocskb+0x120/0x7d0 net/core/skbuff.c:630 qrtrendpointpost+0xbd/0x11b0 net/qrtr/afqrtr.c:446 qrtrtunwriteiter+0x270/0x400 net/qrtr/tun.c:108 callwriteiter include/linux/fs.h:2189 [inline] aiowrite+0x63a/0x950 fs/aio.c:1600 iosubmitone+0x1d1c/0x3bf0 fs/aio.c:2019 _dosysiosubmit fs/aio.c:2078 [inline] _sesysiosubmit+0x293/0x770 fs/aio.c:2048 _x64sysiosubmit+0x92/0xd0 fs/aio.c:2048 dosyscallx64 arch/x86/entry/common.c:50 [inline] dosyscall64+0x3d/0xb0 arch/x86/entry/common.c:80 entrySYSCALL64after_hwframe+0x63/0xcd
It is because that skb->len requires at least sizeof(struct qrtrctrlpkt) in qrtrtxresume(). And skb->len equals to size in qrtrendpointpost(). But size is less than sizeof(struct qrtrctrlpkt) when qrtrcb->type equals to QRTRTYPERESUMETX in qrtrendpointpost() under the syzbot scenario. This triggers the uninit variable access bug.
Add size check when qrtrcb->type equals to QRTRTYPERESUMETX in qrtrendpointpost() to fix the bug.
- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/3814d211ff13ee35f2d9437439a6c7df58524137
- https://git.kernel.org/stable/c/6417070918de3bcdbe0646e7256dae58fd8083ba
- https://git.kernel.org/stable/c/8c9ce34a6ff2c544f96ce0b088e8fd3c1b9698c4
- https://git.kernel.org/stable/c/bef57c227b52c2bde00fad33556175d36d12cfa0
- https://git.kernel.org/stable/c/c6a796ee5a639ffb83c6e5469408cc2ec16cac6a
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
-
Introduced5fdeb0d372ab33b4175043a2a4a1730239a217f1Fixed3814d211ff13ee35f2d9437439a6c7df58524137
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced5fdeb0d372ab33b4175043a2a4a1730239a217f1Fixedc6a796ee5a639ffb83c6e5469408cc2ec16cac6a
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced5fdeb0d372ab33b4175043a2a4a1730239a217f1Fixedbef57c227b52c2bde00fad33556175d36d12cfa0
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced5fdeb0d372ab33b4175043a2a4a1730239a217f1Fixed8c9ce34a6ff2c544f96ce0b088e8fd3c1b9698c4
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced5fdeb0d372ab33b4175043a2a4a1730239a217f1Fixed6417070918de3bcdbe0646e7256dae58fd8083ba
Affected versions
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
v5.10.163
v5.10.164
v5.10.165
v5.10.166
v5.10.167
v5.10.168
v5.10.169
v5.10.17
v5.10.170
v5.10.171
v5.10.172
v5.10.173
v5.10.174
v5.10.175
v5.10.176
v5.10.177
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
v5.15.100
v5.15.101
v5.15.102
v5.15.103
v5.15.104
v5.15.105
v5.15.106
v5.15.107
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
v5.15.87
v5.15.88
v5.15.89
v5.15.9
v5.15.90
v5.15.91
v5.15.92
v5.15.93
v5.15.94
v5.15.95
v5.15.96
v5.15.97
v5.15.98
v5.15.99
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
v5.5
v5.5-rc6
v5.5-rc7
v5.6
v5.6-rc1
v5.6-rc2
v5.6-rc3
v5.6-rc4
v5.6-rc5
v5.6-rc6
v5.6-rc7
v5.7
v5.7-rc1
v5.7-rc2
v5.7-rc3
v5.7-rc4
v5.7-rc5
v5.7-rc6
v5.7-rc7
v5.8
v5.8-rc1
v5.8-rc2
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
v6.*
v6.0
v6.0-rc1
v6.0-rc2
v6.0-rc3
v6.0-rc4
v6.0-rc5
v6.0-rc6
v6.0-rc7
v6.1
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
v6.1.10
v6.1.11
v6.1.12
v6.1.13
v6.1.14
v6.1.15
v6.1.16
v6.1.17
v6.1.18
v6.1.19
v6.1.2
v6.1.20
v6.1.21
v6.1.22
v6.1.23
v6.1.24
v6.1.3
v6.1.4
v6.1.5
v6.1.6
v6.1.7
v6.1.8
v6.1.9
v6.2
v6.2-rc1
v6.2-rc2
v6.2-rc3
v6.2-rc4
v6.2-rc5
v6.2-rc6
v6.2-rc7
v6.2-rc8
v6.2.1
v6.2.10
v6.2.11
v6.2.2
v6.2.3
v6.2.4
v6.2.5
v6.2.6
v6.2.7
v6.2.8
v6.2.9
v6.3-rc1
v6.3-rc2
v6.3-rc3
v6.3-rc4
v6.3-rc5
Database specific
vanir_signatures
[
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8c9ce34a6ff2c544f96ce0b088e8fd3c1b9698c4",
"deprecated": false,
"id": "CVE-2023-53578-1a46d816",
"target": {
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
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"281930456347399941230695306966175640170",
"121265641376155204794554109821516288535",
"125035390127743842516621194992593110181",
"201042307105419619384850574057340366563",
"88967040696505060210165409828554182326",
"122602269252764039000815675782139961394",
"12799334062221854436555142093604229233"
]
},
"signature_type": "Line"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bef57c227b52c2bde00fad33556175d36d12cfa0",
"deprecated": false,
"id": "CVE-2023-53578-202a0092",
"target": {
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"102017536302687239516942872313364109659",
"281930456347399941230695306966175640170",
"121265641376155204794554109821516288535",
"125035390127743842516621194992593110181",
"201042307105419619384850574057340366563",
"88967040696505060210165409828554182326",
"122602269252764039000815675782139961394",
"12799334062221854436555142093604229233"
]
},
"signature_type": "Line"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6417070918de3bcdbe0646e7256dae58fd8083ba",
"deprecated": false,
"id": "CVE-2023-53578-3ab00b61",
"target": {
"function": "qrtr_endpoint_post",
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"length": 2325.0,
"function_hash": "152127932278963965638706082932744848423"
},
"signature_type": "Function"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3814d211ff13ee35f2d9437439a6c7df58524137",
"deprecated": false,
"id": "CVE-2023-53578-6237a132",
"target": {
"function": "qrtr_endpoint_post",
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"length": 2143.0,
"function_hash": "250812352048953775105146223444681007311"
},
"signature_type": "Function"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@3814d211ff13ee35f2d9437439a6c7df58524137",
"deprecated": false,
"id": "CVE-2023-53578-8215a14b",
"target": {
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
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"281930456347399941230695306966175640170",
"121265641376155204794554109821516288535",
"119711647588367915759235517546030897261",
"117052178944539798163756006594805099495",
"74787600455530555622918714081674849992"
]
},
"signature_type": "Line"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6417070918de3bcdbe0646e7256dae58fd8083ba",
"deprecated": false,
"id": "CVE-2023-53578-93ae2430",
"target": {
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"102017536302687239516942872313364109659",
"281930456347399941230695306966175640170",
"121265641376155204794554109821516288535",
"125035390127743842516621194992593110181",
"201042307105419619384850574057340366563",
"88967040696505060210165409828554182326",
"122602269252764039000815675782139961394",
"12799334062221854436555142093604229233"
]
},
"signature_type": "Line"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c6a796ee5a639ffb83c6e5469408cc2ec16cac6a",
"deprecated": false,
"id": "CVE-2023-53578-ca0d9920",
"target": {
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"102017536302687239516942872313364109659",
"281930456347399941230695306966175640170",
"121265641376155204794554109821516288535",
"125035390127743842516621194992593110181",
"201042307105419619384850574057340366563",
"88967040696505060210165409828554182326",
"122602269252764039000815675782139961394",
"12799334062221854436555142093604229233"
]
},
"signature_type": "Line"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bef57c227b52c2bde00fad33556175d36d12cfa0",
"deprecated": false,
"id": "CVE-2023-53578-ea9c10e6",
"target": {
"function": "qrtr_endpoint_post",
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"length": 2325.0,
"function_hash": "152127932278963965638706082932744848423"
},
"signature_type": "Function"
},
{
"signature_version": "v1",
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c6a796ee5a639ffb83c6e5469408cc2ec16cac6a",
"deprecated": false,
"id": "CVE-2023-53578-fabf43a8",
"target": {
"function": "qrtr_endpoint_post",
"file": "net/qrtr/af_qrtr.c"
},
"digest": {
"length": 2325.0,
"function_hash": "152127932278963965638706082932744848423"
},
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