CVE-2023-53047

Source
https://nvd.nist.gov/vuln/detail/CVE-2023-53047
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-53047.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-53047
Downstream
Published
2025-05-02T15:55:04Z
Modified
2025-10-14T09:32:02.197805Z
Summary
tee: amdtee: fix race condition in amdtee_open_session
Details

In the Linux kernel, the following vulnerability has been resolved:

tee: amdtee: fix race condition in amdteeopensession

There is a potential race condition in amdteeopensession that may lead to use-after-free. For instance, in amdteeopensession() after sess->sess_mask is set, and before setting:

sess->session_info[i] = session_info;

if amdteeclosesession() closes this same session, then 'sess' data structure will be released, causing kernel panic when 'sess' is accessed within amdteeopensession().

The solution is to set the bit sess->sessmask as the last step in amdteeopen_session().

References

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
Introduced
757cc3e9ff1d72d014096399d6e2bf03974d9da1
Fixed
f632a90f8e39db39b322107b9a8d438b826a7f4f
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
757cc3e9ff1d72d014096399d6e2bf03974d9da1
Fixed
02b296978a2137d7128151c542e84dc96400bc00
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
757cc3e9ff1d72d014096399d6e2bf03974d9da1
Fixed
a63cce9393e4e7dbc5af82dc87e68cb321cb1a78
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
757cc3e9ff1d72d014096399d6e2bf03974d9da1
Fixed
b3ef9e6fe09f1a132af28c623edcf4d4f39d9f35
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
757cc3e9ff1d72d014096399d6e2bf03974d9da1
Fixed
f8502fba45bd30e1a6a354d9d898bc99d1a11e6d

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
v5.10.18
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
v5.15.11
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-rc2
v5.5-rc3
v5.5-rc4
v5.5-rc5
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
v6.1.3
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
v6.2.2
v6.2.3
v6.2.4
v6.2.5
v6.2.6
v6.2.7
v6.2.8

Database specific

{
    "vanir_signatures": [
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-2f53ec21",
            "signature_type": "Line",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f632a90f8e39db39b322107b9a8d438b826a7f4f",
            "digest": {
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                    "245302777864795696911730949505920772679",
                    "306965621123553803348986192984644023168",
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                    "74964792076202426878510906725272040332",
                    "284421031296372231674610905504071987126"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-607a0186",
            "signature_type": "Line",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@02b296978a2137d7128151c542e84dc96400bc00",
            "digest": {
                "line_hashes": [
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                    "282574088253263344698449051546636538137",
                    "251107346330102061567098977912959259706",
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                    "317921175549826955713042585436643035096",
                    "98402905945440095821459055949880369155",
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                    "234497171285487369991596629068613293992",
                    "322308539855900533795957184613951165572",
                    "282502598271291900225035900305483981290",
                    "114354123851922950074908240543259669368",
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                    "215708491005139994277683916560916529583",
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                    "316985830661747751626061665199483704726",
                    "44842425417822073122656877622450034998",
                    "245302777864795696911730949505920772679",
                    "306965621123553803348986192984644023168",
                    "189911751770306836562635028865841488377",
                    "59428087873651469876124700355287767586",
                    "248685273619588218182138358773371968806",
                    "74964792076202426878510906725272040332",
                    "284421031296372231674610905504071987126"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-677a24f6",
            "signature_type": "Line",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a63cce9393e4e7dbc5af82dc87e68cb321cb1a78",
            "digest": {
                "line_hashes": [
                    "175581571935192748567870035046157423372",
                    "282574088253263344698449051546636538137",
                    "251107346330102061567098977912959259706",
                    "112204422900868273924117189455260367907",
                    "36708798478795505531247412214475860252",
                    "129203586056436310470659607378338121248",
                    "45658863773442858730104250121527472453",
                    "311420911181726005132766416086339954177",
                    "317921175549826955713042585436643035096",
                    "98402905945440095821459055949880369155",
                    "88127089899232815805723312010976177544",
                    "234497171285487369991596629068613293992",
                    "322308539855900533795957184613951165572",
                    "282502598271291900225035900305483981290",
                    "114354123851922950074908240543259669368",
                    "206490189613942204668194824487839784526",
                    "215708491005139994277683916560916529583",
                    "142270628692712362970476711164749353055",
                    "316985830661747751626061665199483704726",
                    "44842425417822073122656877622450034998",
                    "245302777864795696911730949505920772679",
                    "306965621123553803348986192984644023168",
                    "189911751770306836562635028865841488377",
                    "59428087873651469876124700355287767586",
                    "248685273619588218182138358773371968806",
                    "74964792076202426878510906725272040332",
                    "284421031296372231674610905504071987126"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-992db880",
            "signature_type": "Line",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f8502fba45bd30e1a6a354d9d898bc99d1a11e6d",
            "digest": {
                "line_hashes": [
                    "175581571935192748567870035046157423372",
                    "282574088253263344698449051546636538137",
                    "251107346330102061567098977912959259706",
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                    "36708798478795505531247412214475860252",
                    "129203586056436310470659607378338121248",
                    "45658863773442858730104250121527472453",
                    "311420911181726005132766416086339954177",
                    "317921175549826955713042585436643035096",
                    "98402905945440095821459055949880369155",
                    "88127089899232815805723312010976177544",
                    "234497171285487369991596629068613293992",
                    "322308539855900533795957184613951165572",
                    "282502598271291900225035900305483981290",
                    "114354123851922950074908240543259669368",
                    "206490189613942204668194824487839784526",
                    "215708491005139994277683916560916529583",
                    "142270628692712362970476711164749353055",
                    "316985830661747751626061665199483704726",
                    "44842425417822073122656877622450034998",
                    "245302777864795696911730949505920772679",
                    "306965621123553803348986192984644023168",
                    "189911751770306836562635028865841488377",
                    "59428087873651469876124700355287767586",
                    "248685273619588218182138358773371968806",
                    "74964792076202426878510906725272040332",
                    "284421031296372231674610905504071987126"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c",
                "function": "amdtee_open_session"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-a0183a81",
            "signature_type": "Function",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f632a90f8e39db39b322107b9a8d438b826a7f4f",
            "digest": {
                "length": 1582.0,
                "function_hash": "97780375134324593560252410089401672081"
            },
            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c",
                "function": "amdtee_open_session"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-c3d5e489",
            "signature_type": "Function",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@02b296978a2137d7128151c542e84dc96400bc00",
            "digest": {
                "length": 1582.0,
                "function_hash": "97780375134324593560252410089401672081"
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            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c",
                "function": "amdtee_open_session"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-c80fa7c8",
            "signature_type": "Function",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a63cce9393e4e7dbc5af82dc87e68cb321cb1a78",
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                "length": 1582.0,
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            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-ca538287",
            "signature_type": "Line",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b3ef9e6fe09f1a132af28c623edcf4d4f39d9f35",
            "digest": {
                "line_hashes": [
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                    "74964792076202426878510906725272040332",
                    "284421031296372231674610905504071987126"
                ],
                "threshold": 0.9
            },
            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c",
                "function": "amdtee_open_session"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-d0fe9380",
            "signature_type": "Function",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b3ef9e6fe09f1a132af28c623edcf4d4f39d9f35",
            "digest": {
                "length": 1582.0,
                "function_hash": "97780375134324593560252410089401672081"
            },
            "deprecated": false
        },
        {
            "target": {
                "file": "drivers/tee/amdtee/core.c",
                "function": "amdtee_open_session"
            },
            "signature_version": "v1",
            "id": "CVE-2023-53047-e56579fe",
            "signature_type": "Function",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f8502fba45bd30e1a6a354d9d898bc99d1a11e6d",
            "digest": {
                "length": 1582.0,
                "function_hash": "97780375134324593560252410089401672081"
            },
            "deprecated": false
        }
    ]
}

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.6.0
Fixed
5.10.177
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.105
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.22
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.2.9