CVE-2023-52485

Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52485
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52485.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52485
Downstream
Published
2024-02-29T14:57:51Z
Modified
2025-10-21T14:19:20.947556Z
Summary
drm/amd/display: Wake DMCUB before sending a command
Details

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

drm/amd/display: Wake DMCUB before sending a command

[Why] We can hang in place trying to send commands when the DMCUB isn't powered on.

[How] For functions that execute within a DC context or DC lock we can wrap the direct calls to dmexecutedmub_cmd/list with code that exits idle power optimizations and reallows once we're done with the command submission on success.

For DM direct submissions the DM will need to manage the enter/exit sequencing manually.

We cannot invoke a DMCUB command directly within the DM execution helper or we can deadlock.

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
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Fixed
303197775a97416b62d4da69280d0c120a20e009
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c
Fixed
8892780834ae294bc3697c7d0e056d7743900b39

Affected versions

v4.*

v4.13
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

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
v5.11
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
v5.16
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
v6.2
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
v6.7
v6.7-rc1
v6.7-rc2
v6.7-rc3
v6.7-rc4
v6.7-rc5
v6.7-rc6
v6.7-rc7
v6.7-rc8
v6.7.1
v6.7.2

Database specific

vanir_signatures

[
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8892780834ae294bc3697c7d0e056d7743900b39",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-0c978e71",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_capability.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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            ]
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    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8892780834ae294bc3697c7d0e056d7743900b39",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-0cf26c46",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "125572668588964498238502802776717294942",
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            ]
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    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8892780834ae294bc3697c7d0e056d7743900b39",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-0ef2acfd",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/bios/command_table2.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "117046680936046630504259686179847519379",
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                "127543638765412994033124495523257373339",
                "152342798972418660144196487893844460415",
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                "229352910038107254349105515669637631310",
                "279112736682646542205882019821694199357",
                "148020749875707078700084057537496379647",
                "46510107763837973324326908445067881247",
                "73007381474803736591246767839923192117",
                "76213552475249535687816315072138744128"
            ]
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8892780834ae294bc3697c7d0e056d7743900b39",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-10f9bd3b",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "333451299537401766201291267499388809453",
                "241097048784141603266129523811101442155",
                "166671470233040539660675646023893815040",
                "153057215475214108942428933202370523151",
                "18992048475079074063968583817157372366",
                "20810103095385503657789406664544479355",
                "215106412717373871280770276595572557680",
                "137970036806550399782508342830240858591",
                "329183988566841867649820182566498671199",
                "206019471560312574647496873362665926598",
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                "81025644921871532156806751356642927865"
            ]
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    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8892780834ae294bc3697c7d0e056d7743900b39",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-16b92584",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_dpia.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "50610994149423536469395940864264820154",
                "53618985894676936749760657365673652330",
                "138828142086423224609552766030700476645",
                "220392635991144941476521817539551607594"
            ]
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    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@303197775a97416b62d4da69280d0c120a20e009",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-18edf2c7",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_panel_cntl.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "125572668588964498238502802776717294942",
                "192786797821815365779340837238813112170",
                "280103419615071855159771782388623661538",
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                "193544562323846072458495939499525305519",
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    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@303197775a97416b62d4da69280d0c120a20e009",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-1959de0b",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hubp.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "180979875660349959189839423257171535363",
                "32622189834967879728244710818824719909",
                "270982403025927949557614501183037320317",
                "198282886414880000336962168574288070552"
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    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@303197775a97416b62d4da69280d0c120a20e009",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-22541e81",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dc_dmub_srv.h"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "275036845393568282838730460314957901925",
                "250869988599055319349942785754181074784"
            ]
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8892780834ae294bc3697c7d0e056d7743900b39",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-22f940c1",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dio_link_encoder.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "197809412185524047023203268801750461370",
                "231710850290084736046059398566270722584",
                "164734308922805508756945946960866579334",
                "306403279088056543186814323629078715888",
                "136984167640756239496556049144511371819",
                "48406108898011737916779196599778970943",
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                "261068332121572069623496383716364295703"
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    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8892780834ae294bc3697c7d0e056d7743900b39",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-3f9ca7c2",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/core/dc.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "45653894650802703521930842004611698405",
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                "219289154067844333402262364335856203609",
                "314851287072480908019499330572233453046",
                "270361900835469008739754624959437984523",
                "240356406181324035405990284334799948739",
                "163536868871275450573680444382053273648",
                "107723100046094258359611782218880877153",
                "208177006661264740792735299836614569954",
                "14583340018725026986182477878911556894",
                "85050676814115127531167111565388722057",
                "224267078659343002253739430479329669048",
                "144863045076034038517803131552128288237",
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                "174512167402389718300291628557205075030",
                "153615189926146869615378199076430158983",
                "111898956113768858129334499643759551817",
                "301542386854686064229272907247474995903",
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                "52703310259198629637744865202355397870",
                "136939631709071922278817753050989240389",
                "118883782609030681776855919326461044450",
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            ]
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    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@303197775a97416b62d4da69280d0c120a20e009",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-51380e84",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/clk_mgr/dcn315/dcn315_clk_mgr.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "63912756990978800093526067419467396313",
                "139138117091659378980052817177607170437",
                "19299397092830263735958312101781178487",
                "255890541451092779383355013183534369782"
            ]
        }
    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@303197775a97416b62d4da69280d0c120a20e009",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-56946798",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "6282730887545966264272890810753873531",
                "122352709540369591487445047797761824799",
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            ]
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    },
    {
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@303197775a97416b62d4da69280d0c120a20e009",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2023-52485-5ba0417a",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn32/dcn32_hwseq.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "333451299537401766201291267499388809453",
                "241097048784141603266129523811101442155",
                "166671470233040539660675646023893815040",
                "153057215475214108942428933202370523151",
                "18992048475079074063968583817157372366",
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        }
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
4.15.0
Fixed
6.7.3