CVE-2025-37967

This patch introduces the ucsiconmutexlock / ucsiconmutexunlock functions to the UCSI driver. ucsiconmutexlock ensures the connector mutex is only locked if a connection is established and the partner pointer is valid. This resolves a deadlock scenario where ucsidisplayportremovepartner holds con->mutex waiting for dpaltmodework to complete while dpaltmodework attempts to acquire it.

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

af8622f6a585d8d82b11cd7987e082861fd0edd3

Fixed

f4bd982563c2fd41ec9ca6c517c392d759db801c

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

af8622f6a585d8d82b11cd7987e082861fd0edd3

Fixed

f32451ca4cb7dc53f2a0e2e66b84d34162747eb7

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

af8622f6a585d8d82b11cd7987e082861fd0edd3

Fixed

962ce9028ca6eb450d5c205238a3ee27de9d214d

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

af8622f6a585d8d82b11cd7987e082861fd0edd3

Fixed

5924b324468845fc795bd76f588f51d7ab4f202d

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

af8622f6a585d8d82b11cd7987e082861fd0edd3

Fixed

61fc1a8e1e10cc784cab5829930838aaf1d37af5

Type: GIT
Repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events: Introduced

af8622f6a585d8d82b11cd7987e082861fd0edd3

Fixed

364618c89d4c57c85e5fc51a2446cd939bf57802

Affected versions

v5.*

v5.1

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

v5.11

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

v5.15.108

v5.15.109

v5.15.11

v5.15.110

v5.15.111

v5.15.112

v5.15.113

v5.15.114

v5.15.115

v5.15.116

v5.15.117

v5.15.118

v5.15.119

v5.15.12

v5.15.120

v5.15.121

v5.15.122

v5.15.123

v5.15.124

v5.15.125

v5.15.126

v5.15.127

v5.15.128

v5.15.129

v5.15.13

v5.15.130

v5.15.131

v5.15.132

v5.15.133

v5.15.134

v5.15.135

v5.15.136

v5.15.137

v5.15.138

v5.15.139

v5.15.14

v5.15.140

v5.15.141

v5.15.142

v5.15.143

v5.15.144

v5.15.145

v5.15.146

v5.15.147

v5.15.148

v5.15.149

v5.15.15

v5.15.150

v5.15.151

v5.15.152

v5.15.153

v5.15.154

v5.15.155

v5.15.156

v5.15.157

v5.15.158

v5.15.159

v5.15.16

v5.15.160

v5.15.161

v5.15.162

v5.15.163

v5.15.164

v5.15.165

v5.15.166

v5.15.167

v5.15.168

v5.15.169

v5.15.17

v5.15.170

v5.15.171

v5.15.172

v5.15.173

v5.15.174

v5.15.175

v5.15.176

v5.15.177

v5.15.178

v5.15.179

v5.15.18

v5.15.180

v5.15.181

v5.15.182

v5.15.183

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

v5.2

v5.2-rc1

v5.2-rc2

v5.2-rc3

v5.2-rc4

v5.2-rc5

v5.2-rc6

v5.2-rc7

v5.3

v5.3-rc1

v5.3-rc2

v5.3-rc3

v5.3-rc4

v5.3-rc5

v5.3-rc6

v5.3-rc7

v5.3-rc8

v5.4

v5.4-rc1

v5.4-rc2

v5.4-rc3

v5.4-rc4

v5.4-rc5

v5.4-rc6

v5.4-rc7

v5.4-rc8

v5.5

v5.5-rc1

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

v6.1.100

v6.1.101

v6.1.102

v6.1.103

v6.1.104

v6.1.105

v6.1.106

v6.1.107

v6.1.108

v6.1.109

v6.1.11

v6.1.110

v6.1.111

v6.1.112

v6.1.113

v6.1.114

v6.1.115

v6.1.116

v6.1.117

v6.1.118

v6.1.119

v6.1.12

v6.1.120

v6.1.121

v6.1.122

v6.1.123

v6.1.124

v6.1.125

v6.1.126

v6.1.127

v6.1.128

v6.1.129

v6.1.13

v6.1.130

v6.1.131

v6.1.132

v6.1.133

v6.1.134

v6.1.135

v6.1.136

v6.1.137

v6.1.138

v6.1.139

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

v6.1.25

v6.1.26

v6.1.27

v6.1.28

v6.1.29

v6.1.3

v6.1.30

v6.1.31

v6.1.32

v6.1.33

v6.1.34

v6.1.35

v6.1.36

v6.1.37

v6.1.38

v6.1.39

v6.1.4

v6.1.40

v6.1.41

v6.1.42

v6.1.43

v6.1.44

v6.1.45

v6.1.46

v6.1.47

v6.1.48

v6.1.49

v6.1.5

v6.1.50

v6.1.51

v6.1.52

v6.1.53

v6.1.54

v6.1.55

v6.1.56

v6.1.57

v6.1.58

v6.1.59

v6.1.6

v6.1.60

v6.1.61

v6.1.62

v6.1.63

v6.1.64

v6.1.65

v6.1.66

v6.1.67

v6.1.68

v6.1.69

v6.1.7

v6.1.70

v6.1.71

v6.1.72

v6.1.73

v6.1.74

v6.1.75

v6.1.76

v6.1.77

v6.1.78

v6.1.79

v6.1.8

v6.1.80

v6.1.81

v6.1.82

v6.1.83

v6.1.84

v6.1.85

v6.1.86

v6.1.87

v6.1.88

v6.1.89

v6.1.9

v6.1.90

v6.1.91

v6.1.92

v6.1.93

v6.1.94

v6.1.95

v6.1.96

v6.1.97

v6.1.98

v6.1.99

v6.10

v6.10-rc1

v6.10-rc2

v6.10-rc3

v6.10-rc4

v6.10-rc5

v6.10-rc6

v6.10-rc7

v6.11

v6.11-rc1

v6.11-rc2

v6.11-rc3

v6.11-rc4

v6.11-rc5

v6.11-rc6

v6.11-rc7

v6.12

v6.12-rc1

v6.12-rc2

v6.12-rc3

v6.12-rc4

v6.12-rc5

v6.12-rc6

v6.12-rc7

v6.12.1

v6.12.10

v6.12.11

v6.12.12

v6.12.13

v6.12.14

v6.12.15

v6.12.16

v6.12.17

v6.12.18

v6.12.19

v6.12.2

v6.12.20

v6.12.21

v6.12.22

v6.12.23

v6.12.24

v6.12.25

v6.12.26

v6.12.27

v6.12.28

v6.12.29

v6.12.3

v6.12.4

v6.12.5

v6.12.6

v6.12.7

v6.12.8

v6.12.9

v6.13

v6.13-rc1

v6.13-rc2

v6.13-rc3

v6.13-rc4

v6.13-rc5

v6.13-rc6

v6.13-rc7

v6.14

v6.14-rc1

v6.14-rc2

v6.14-rc3

v6.14-rc4

v6.14-rc5

v6.14-rc6

v6.14-rc7

v6.14.1

v6.14.2

v6.14.3

v6.14.4

v6.14.5

v6.14.6

v6.15-rc1

v6.15-rc2

v6.15-rc3

v6.15-rc4

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

v6.3

v6.3-rc1

v6.3-rc2

v6.3-rc3

v6.3-rc4

v6.3-rc5

v6.3-rc6

v6.3-rc7

v6.4

v6.4-rc1

v6.4-rc2

v6.4-rc3

v6.4-rc4

v6.4-rc5

v6.4-rc6

v6.4-rc7

v6.5

v6.5-rc1

v6.5-rc2

v6.5-rc3

v6.5-rc4

v6.5-rc5

v6.5-rc6

v6.5-rc7

v6.6

v6.6-rc1

v6.6-rc2

v6.6-rc3

v6.6-rc4

v6.6-rc5

v6.6-rc6

v6.6-rc7

v6.6.1

v6.6.10

v6.6.11

v6.6.12

v6.6.13

v6.6.14

v6.6.15

v6.6.16

v6.6.17

v6.6.18

v6.6.19

v6.6.2

v6.6.20

v6.6.21

v6.6.22

v6.6.23

v6.6.24

v6.6.25

v6.6.26

v6.6.27

v6.6.28

v6.6.29

v6.6.3

v6.6.30

v6.6.31

v6.6.32

v6.6.33

v6.6.34

v6.6.35

v6.6.36

v6.6.37

v6.6.38

v6.6.39

v6.6.4

v6.6.40

v6.6.41

v6.6.42

v6.6.43

v6.6.44

v6.6.45

v6.6.46

v6.6.47

v6.6.48

v6.6.49

v6.6.5

v6.6.50

v6.6.51

v6.6.52

v6.6.53

v6.6.54

v6.6.55

v6.6.56

v6.6.57

v6.6.58

v6.6.59

v6.6.6

v6.6.60

v6.6.61

v6.6.62

v6.6.63

v6.6.64

v6.6.65

v6.6.66

v6.6.67

v6.6.68

v6.6.69

v6.6.7

v6.6.70

v6.6.71

v6.6.72

v6.6.73

v6.6.74

v6.6.75

v6.6.76

v6.6.77

v6.6.78

v6.6.79

v6.6.8

v6.6.80

v6.6.81

v6.6.82

v6.6.83

v6.6.84

v6.6.85

v6.6.86

v6.6.87

v6.6.88

v6.6.89

v6.6.9

v6.6.90

v6.6.91

v6.7

v6.7-rc1

v6.7-rc2

v6.7-rc3

v6.7-rc4

v6.7-rc5

v6.7-rc6

v6.7-rc7

v6.7-rc8

v6.8

v6.8-rc1

v6.8-rc2

v6.8-rc3

v6.8-rc4

v6.8-rc5

v6.8-rc6

v6.8-rc7

v6.9

v6.9-rc1

v6.9-rc2

v6.9-rc3

v6.9-rc4

v6.9-rc5

v6.9-rc6

v6.9-rc7

Database specific

vanir_signatures

[
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 1132.0,
            "function_hash": "166164815940815577538760321783490792793"
        },
        "id": "CVE-2025-37967-2bbfe737",
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@61fc1a8e1e10cc784cab5829930838aaf1d37af5",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c",
            "function": "ucsi_displayport_enter"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 1132.0,
            "function_hash": "166164815940815577538760321783490792793"
        },
        "id": "CVE-2025-37967-59bd2a77",
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f4bd982563c2fd41ec9ca6c517c392d759db801c",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c",
            "function": "ucsi_displayport_enter"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "57796536578428762935014386557741951236",
                "181146910590993294988020803035717170260",
                "73452452531558690949045300434710010119"
            ]
        },
        "id": "CVE-2025-37967-5e57657e",
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@61fc1a8e1e10cc784cab5829930838aaf1d37af5",
        "target": {
            "file": "drivers/usb/typec/ucsi/ucsi.c"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "141043005632605314566222388353568294392",
                "141860025412256540028353482608719806935",
                "126459981266293960303937734127043295078",
                "336866682190812247070480108351895869029",
                "321630242796381696313480438795731393200",
                "178169753451520526969214364392399813018",
                "296158979857757854393635084961183161494",
                "237976266078230943782708189222527538367",
                "256931064866875321183813592080883078505",
                "187379750794263213887869407823544624888",
                "46028449626638824783376758218252197918",
                "296464398425858278070256340004860172931",
                "294285133550862120299701418126406613604",
                "144731747782367555058425447536158855133",
                "67407117954574328634674655773048482592",
                "2928969195541691322398564867624433652",
                "301762308458722846281334294506524087887",
                "36196746026672286246330148504715711134",
                "274997484870857381380719466218834802377",
                "336866682190812247070480108351895869029",
                "249872775677848796765975531703801034977",
                "249841538589602721222200324264459839529",
                "241312975531949394324537354186919647643",
                "253707708163048449347585534976866258690",
                "57266002147525795173002863812826191872",
                "226227286208182533327496966851811490260",
                "327363463935227119314350827795412080675",
                "130363543247833940510740261079460950924",
                "137962011984168648934785586910641039818",
                "94913419080526241484102128223519693981",
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                "293979780980947784712871107498686855850",
                "128362389661648703684623034181819422255"
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        },
        "id": "CVE-2025-37967-60f5197d",
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f4bd982563c2fd41ec9ca6c517c392d759db801c",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "141860025412256540028353482608719806935",
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                "241312975531949394324537354186919647643",
                "253707708163048449347585534976866258690",
                "57266002147525795173002863812826191872",
                "226227286208182533327496966851811490260",
                "327363463935227119314350827795412080675",
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                "293979780980947784712871107498686855850",
                "128362389661648703684623034181819422255"
            ]
        },
        "id": "CVE-2025-37967-6e1a756c",
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@61fc1a8e1e10cc784cab5829930838aaf1d37af5",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 884.0,
            "function_hash": "157240831647095599250416877098778130093"
        },
        "id": "CVE-2025-37967-79161b3b",
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f4bd982563c2fd41ec9ca6c517c392d759db801c",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c",
            "function": "ucsi_displayport_exit"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "181146910590993294988020803035717170260",
                "73452452531558690949045300434710010119"
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        },
        "id": "CVE-2025-37967-a6419175",
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f4bd982563c2fd41ec9ca6c517c392d759db801c",
        "target": {
            "file": "drivers/usb/typec/ucsi/ucsi.c"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 1451.0,
            "function_hash": "122652412836945745613626224835024836608"
        },
        "id": "CVE-2025-37967-b1f87620",
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f4bd982563c2fd41ec9ca6c517c392d759db801c",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c",
            "function": "ucsi_displayport_vdm"
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    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "116494594734057852351122580517934158174",
                "249768408897935541934044097401827658311",
                "131193615674482596925199041797035434339",
                "201182394299497459382778274397724478335",
                "194464534930191893943159090281156407082"
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        },
        "id": "CVE-2025-37967-c8f66d8f",
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f4bd982563c2fd41ec9ca6c517c392d759db801c",
        "target": {
            "file": "drivers/usb/typec/ucsi/ucsi.h"
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    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 884.0,
            "function_hash": "157240831647095599250416877098778130093"
        },
        "id": "CVE-2025-37967-caae74fd",
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@61fc1a8e1e10cc784cab5829930838aaf1d37af5",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c",
            "function": "ucsi_displayport_exit"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "131193615674482596925199041797035434339",
                "201182394299497459382778274397724478335",
                "194464534930191893943159090281156407082"
            ]
        },
        "id": "CVE-2025-37967-f517ce78",
        "signature_type": "Line",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@61fc1a8e1e10cc784cab5829930838aaf1d37af5",
        "target": {
            "file": "drivers/usb/typec/ucsi/ucsi.h"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "length": 1451.0,
            "function_hash": "122652412836945745613626224835024836608"
        },
        "id": "CVE-2025-37967-fe8bb3d8",
        "signature_type": "Function",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@61fc1a8e1e10cc784cab5829930838aaf1d37af5",
        "target": {
            "file": "drivers/usb/typec/ucsi/displayport.c",
            "function": "ucsi_displayport_vdm"
        }
    }
]

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

5.2.0

Fixed

5.15.184

Type: ECOSYSTEM
Events: Introduced

5.16.0

Fixed

6.1.140

Type: ECOSYSTEM
Events: Introduced

6.2.0

Fixed

6.6.92

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.12.30

Type: ECOSYSTEM
Events: Introduced

6.13.0

Fixed

6.14.7