CVE-2022-50181

Source
https://nvd.nist.gov/vuln/detail/CVE-2022-50181
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50181.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-50181
Downstream
Related
Published
2025-06-18T11:03:30Z
Modified
2025-10-21T12:47:00.658712Z
Summary
virtio-gpu: fix a missing check to avoid NULL dereference
Details

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

virtio-gpu: fix a missing check to avoid NULL dereference

'cacheent' could be set NULL inside virtiogpucmdgetcapset() and it will lead to a NULL dereference by a lately use of it (i.e., ptr = cacheent->caps_cache). Fix it with a NULL check.

[ kraxel: minor codestyle fixup ]

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
62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257
Fixed
259773fc874258606c0121767a4a27466ff337eb
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257
Fixed
39caef09666c1d8274abf9472c72bcac236dc5fb
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257
Fixed
adbdd21983fa292e53aec3eab97306b2961ea887
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257
Fixed
367882a5a9448b5e1ba756125308092d614cb96c
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
62fb7a5e10962ac6ae2a2d2dbd3aedcb2a3e3257
Fixed
bd63f11f4c3c46afec07d821f74736161ff6e526

Affected versions

v4.*

v4.10
v4.10-rc1
v4.10-rc2
v4.10-rc3
v4.10-rc4
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
v4.15
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
v4.20
v4.20-rc1
v4.20-rc2
v4.20-rc3
v4.20-rc4
v4.20-rc5
v4.20-rc6
v4.20-rc7
v4.3
v4.3-rc6
v4.3-rc7
v4.4
v4.4-rc1
v4.4-rc2
v4.4-rc3
v4.4-rc4
v4.4-rc5
v4.4-rc6
v4.4-rc7
v4.4-rc8
v4.5
v4.5-rc1
v4.5-rc2
v4.5-rc3
v4.5-rc4
v4.5-rc5
v4.5-rc6
v4.5-rc7
v4.6
v4.6-rc1
v4.6-rc2
v4.6-rc3
v4.6-rc4
v4.6-rc5
v4.6-rc6
v4.6-rc7
v4.7
v4.7-rc1
v4.7-rc2
v4.7-rc3
v4.7-rc4
v4.7-rc5
v4.7-rc6
v4.7-rc7
v4.8
v4.8-rc1
v4.8-rc2
v4.8-rc3
v4.8-rc4
v4.8-rc5
v4.8-rc6
v4.8-rc7
v4.8-rc8
v4.9
v4.9-rc1
v4.9-rc2
v4.9-rc3
v4.9-rc4
v4.9-rc5
v4.9-rc6
v4.9-rc7
v4.9-rc8

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
v5.10.100
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
v5.10.14
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
v5.10.96
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
v5.15.11
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
v5.15.7
v5.15.8
v5.15.9
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
v5.18.1
v5.18.10
v5.18.11
v5.18.12
v5.18.13
v5.18.14
v5.18.15
v5.18.16
v5.18.17
v5.18.2
v5.18.3
v5.18.4
v5.18.5
v5.18.6
v5.18.7
v5.18.8
v5.18.9
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
v5.19.1
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

Database specific

vanir_signatures

[
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@39caef09666c1d8274abf9472c72bcac236dc5fb",
        "target": {
            "function": "virtio_gpu_get_caps_ioctl",
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-1bd3ca58",
        "signature_version": "v1",
        "digest": {
            "length": 1294.0,
            "function_hash": "152685190767125596884884149468713810765"
        },
        "signature_type": "Function"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@adbdd21983fa292e53aec3eab97306b2961ea887",
        "target": {
            "function": "virtio_gpu_get_caps_ioctl",
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-26952ffb",
        "signature_version": "v1",
        "digest": {
            "length": 1294.0,
            "function_hash": "152685190767125596884884149468713810765"
        },
        "signature_type": "Function"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@39caef09666c1d8274abf9472c72bcac236dc5fb",
        "target": {
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-45d8ce06",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "169937411165125440784898879387261622276",
                "310323124989352469055431317899169402858",
                "425278082815458267208345568300956956",
                "159565163084461343021709633021435298063",
                "212289145654339684997598736337959643431"
            ]
        },
        "signature_type": "Line"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@367882a5a9448b5e1ba756125308092d614cb96c",
        "target": {
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-65bc083c",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "169937411165125440784898879387261622276",
                "310323124989352469055431317899169402858",
                "425278082815458267208345568300956956",
                "159565163084461343021709633021435298063",
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            ]
        },
        "signature_type": "Line"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@259773fc874258606c0121767a4a27466ff337eb",
        "target": {
            "function": "virtio_gpu_get_caps_ioctl",
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-a5a7079b",
        "signature_version": "v1",
        "digest": {
            "length": 1294.0,
            "function_hash": "152685190767125596884884149468713810765"
        },
        "signature_type": "Function"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@259773fc874258606c0121767a4a27466ff337eb",
        "target": {
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-b2a5258a",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "169937411165125440784898879387261622276",
                "310323124989352469055431317899169402858",
                "425278082815458267208345568300956956",
                "159565163084461343021709633021435298063",
                "212289145654339684997598736337959643431"
            ]
        },
        "signature_type": "Line"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bd63f11f4c3c46afec07d821f74736161ff6e526",
        "target": {
            "function": "virtio_gpu_get_caps_ioctl",
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-b51c5f11",
        "signature_version": "v1",
        "digest": {
            "length": 1294.0,
            "function_hash": "152685190767125596884884149468713810765"
        },
        "signature_type": "Function"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bd63f11f4c3c46afec07d821f74736161ff6e526",
        "target": {
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-b6babd71",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "169937411165125440784898879387261622276",
                "310323124989352469055431317899169402858",
                "425278082815458267208345568300956956",
                "159565163084461343021709633021435298063",
                "212289145654339684997598736337959643431"
            ]
        },
        "signature_type": "Line"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@adbdd21983fa292e53aec3eab97306b2961ea887",
        "target": {
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-f49d5948",
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "169937411165125440784898879387261622276",
                "310323124989352469055431317899169402858",
                "425278082815458267208345568300956956",
                "159565163084461343021709633021435298063",
                "212289145654339684997598736337959643431"
            ]
        },
        "signature_type": "Line"
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@367882a5a9448b5e1ba756125308092d614cb96c",
        "target": {
            "function": "virtio_gpu_get_caps_ioctl",
            "file": "drivers/gpu/drm/virtio/virtgpu_ioctl.c"
        },
        "deprecated": false,
        "id": "CVE-2022-50181-f9ed5883",
        "signature_version": "v1",
        "digest": {
            "length": 1294.0,
            "function_hash": "152685190767125596884884149468713810765"
        },
        "signature_type": "Function"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.4.0
Fixed
5.10.137
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.61
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.18.18
Type
ECOSYSTEM
Events
Introduced
5.19.0
Fixed
5.19.2