CVE-2022-50079

Source
https://nvd.nist.gov/vuln/detail/CVE-2022-50079
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50079.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-50079
Downstream
Related
Published
2025-06-18T11:02:22Z
Modified
2025-10-21T12:07:35.693683Z
Summary
drm/amd/display: Check correct bounds for stream encoder instances for DCN303
Details

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

drm/amd/display: Check correct bounds for stream encoder instances for DCN303

[Why & How] eng_id for DCN303 cannot be more than 1, since we have only two instances of stream encoders.

Check the correct boundary condition for engine ID for DCN303 prevent the potential out of bounds access.

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
cd6d421e3d1ad5926b74091254e345db730e7706
Fixed
82a27c1855445d48aacc67b0c0640f3dadebe52f
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
cd6d421e3d1ad5926b74091254e345db730e7706
Fixed
4c31dca1799612eb3b6413e3e574f90c3fb8f865
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
cd6d421e3d1ad5926b74091254e345db730e7706
Fixed
89b008222c2bf21e50219725caed31590edfd9d1

Affected versions

v5.*

v5.12
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
v5.15.61
v5.15.62
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
v5.19
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
v5.19.2
v5.19.3

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "digest": {
            "length": 574.0,
            "function_hash": "272795435817370377223414615376150338129"
        },
        "signature_type": "Function",
        "id": "CVE-2022-50079-1d108d07",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c",
            "function": "dcn303_stream_encoder_create"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@82a27c1855445d48aacc67b0c0640f3dadebe52f",
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "129151832584091393162296420351009478955",
                "274391501504620206085145972043711878939",
                "145594194273551180217043654112009211378",
                "154957854772031085292696320519252818587"
            ]
        },
        "signature_type": "Line",
        "id": "CVE-2022-50079-36177754",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@89b008222c2bf21e50219725caed31590edfd9d1",
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "digest": {
            "length": 574.0,
            "function_hash": "272795435817370377223414615376150338129"
        },
        "signature_type": "Function",
        "id": "CVE-2022-50079-5da65e65",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c",
            "function": "dcn303_stream_encoder_create"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@89b008222c2bf21e50219725caed31590edfd9d1",
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "digest": {
            "length": 574.0,
            "function_hash": "272795435817370377223414615376150338129"
        },
        "signature_type": "Function",
        "id": "CVE-2022-50079-72047ab7",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c",
            "function": "dcn303_stream_encoder_create"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4c31dca1799612eb3b6413e3e574f90c3fb8f865",
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "129151832584091393162296420351009478955",
                "274391501504620206085145972043711878939",
                "145594194273551180217043654112009211378",
                "154957854772031085292696320519252818587"
            ]
        },
        "signature_type": "Line",
        "id": "CVE-2022-50079-7e05f6d0",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4c31dca1799612eb3b6413e3e574f90c3fb8f865",
        "deprecated": false
    },
    {
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "129151832584091393162296420351009478955",
                "274391501504620206085145972043711878939",
                "145594194273551180217043654112009211378",
                "154957854772031085292696320519252818587"
            ]
        },
        "signature_type": "Line",
        "id": "CVE-2022-50079-e45feb82",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@82a27c1855445d48aacc67b0c0640f3dadebe52f",
        "deprecated": false
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.14.0
Fixed
5.15.63
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.19.4