CVE-2024-49917

This commit addresses a potential null pointer dereference issue in the dcn30_init_hw function. The issue could occur when dc->clk_mgr or dc->clk_mgr->funcs is null.

The fix adds a check to ensure dc->clk_mgr and dc->clk_mgr->funcs is not null before accessing its functions. This prevents a potential null pointer dereference.

Reported by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/hwss/dcn30/dcn30hwseq.c:789 dcn30inithw() error: we previously assumed 'dc->clkmgr' could be null (see line 628)

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

23cb6139543580dc36743586ca86fbb3f7ab2c9d

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

4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c

Fixed

205e3b96cc9aa9211fd2c849a16245cf236b2d36

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

4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c

Fixed

5443c83eb8fd2f88c71ced38848fbf744d6206a2

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

4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c

Fixed

56c326577971adc3a230f29dfd3aa3abdd505f5d

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

4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c

Fixed

cba7fec864172dadd953daefdd26e01742b71a6a

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

v6.1.1

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

v6.1.13

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

v6.1.22

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

v6.10.1

v6.10.10

v6.10.11

v6.10.12

v6.10.13

v6.10.2

v6.10.3

v6.10.4

v6.10.5

v6.10.6

v6.10.7

v6.10.8

v6.10.9

v6.11

v6.11-rc1

v6.11-rc2

v6.11-rc3

v6.11-rc4

v6.11-rc5

v6.11-rc6

v6.11-rc7

v6.11.1

v6.11.2

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

v6.6.7

v6.6.8

v6.6.9

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

[
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c",
            "function": "dcn30_init_hw"
        },
        "signature_type": "Function",
        "digest": {
            "length": 5559.0,
            "function_hash": "22854163401619574637889481702018603580"
        },
        "id": "CVE-2024-49917-1fcb4e7a",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@cba7fec864172dadd953daefdd26e01742b71a6a"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "331218359077240475729478156519000382664",
                "208906795043063138672557190770013156439",
                "82948158271535189127699638065846716305",
                "180191562228764756575706450907991640958",
                "324100817985160267262156906857283340052",
                "328700311773745662050900684805336779647",
                "165512839571362222656996288179358494798",
                "235317273712385245637018873225785623870",
                "97221651967949933429599233669670136098",
                "27370827029704817212652920582950840665"
            ]
        },
        "id": "CVE-2024-49917-559dc6bf",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@5443c83eb8fd2f88c71ced38848fbf744d6206a2"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "208813459715842914775156245771682505621",
                "339503646883374188303034439215771193397",
                "195290426062694328980830651591627433957",
                "180191562228764756575706450907991640958",
                "324100817985160267262156906857283340052",
                "328700311773745662050900684805336779647",
                "165512839571362222656996288179358494798",
                "235317273712385245637018873225785623870",
                "97221651967949933429599233669670136098",
                "27370827029704817212652920582950840665"
            ]
        },
        "id": "CVE-2024-49917-90ac374d",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@205e3b96cc9aa9211fd2c849a16245cf236b2d36"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "331218359077240475729478156519000382664",
                "208906795043063138672557190770013156439",
                "82948158271535189127699638065846716305",
                "180191562228764756575706450907991640958",
                "324100817985160267262156906857283340052",
                "328700311773745662050900684805336779647",
                "165512839571362222656996288179358494798",
                "235317273712385245637018873225785623870",
                "97221651967949933429599233669670136098",
                "27370827029704817212652920582950840665"
            ]
        },
        "id": "CVE-2024-49917-9f0cddcf",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@56c326577971adc3a230f29dfd3aa3abdd505f5d"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c",
            "function": "dcn30_init_hw"
        },
        "signature_type": "Function",
        "digest": {
            "length": 5563.0,
            "function_hash": "275845053951266027144915072675205878463"
        },
        "id": "CVE-2024-49917-a3e2df7d",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@56c326577971adc3a230f29dfd3aa3abdd505f5d"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c",
            "function": "dcn30_init_hw"
        },
        "signature_type": "Function",
        "digest": {
            "length": 5461.0,
            "function_hash": "164892174771192405777288424426317461429"
        },
        "id": "CVE-2024-49917-c2e7e767",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@205e3b96cc9aa9211fd2c849a16245cf236b2d36"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "331218359077240475729478156519000382664",
                "208906795043063138672557190770013156439",
                "82948158271535189127699638065846716305",
                "180191562228764756575706450907991640958",
                "324100817985160267262156906857283340052",
                "328700311773745662050900684805336779647",
                "165512839571362222656996288179358494798",
                "235317273712385245637018873225785623870",
                "97221651967949933429599233669670136098",
                "27370827029704817212652920582950840665"
            ]
        },
        "id": "CVE-2024-49917-c375a2fa",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@cba7fec864172dadd953daefdd26e01742b71a6a"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c",
            "function": "dcn30_init_hw"
        },
        "signature_type": "Function",
        "digest": {
            "length": 6050.0,
            "function_hash": "159028326338493904546790264640928755383"
        },
        "id": "CVE-2024-49917-ec7d6ada",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@23cb6139543580dc36743586ca86fbb3f7ab2c9d"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c"
        },
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "208813459715842914775156245771682505621",
                "339503646883374188303034439215771193397",
                "195290426062694328980830651591627433957",
                "180191562228764756575706450907991640958",
                "324100817985160267262156906857283340052",
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                "165512839571362222656996288179358494798",
                "235317273712385245637018873225785623870",
                "97221651967949933429599233669670136098",
                "27370827029704817212652920582950840665"
            ]
        },
        "id": "CVE-2024-49917-ee1157a0",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@23cb6139543580dc36743586ca86fbb3f7ab2c9d"
    },
    {
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/hwss/dcn30/dcn30_hwseq.c",
            "function": "dcn30_init_hw"
        },
        "signature_type": "Function",
        "digest": {
            "length": 5578.0,
            "function_hash": "190580961656100816834641555193834525050"
        },
        "id": "CVE-2024-49917-f4953a69",
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@5443c83eb8fd2f88c71ced38848fbf744d6206a2"
    }
]

Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

4.15.0

Fixed

6.1.120

Type: ECOSYSTEM
Events: Introduced

6.2.0

Fixed

6.6.64

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.10.14

Type: ECOSYSTEM
Events: Introduced

6.11.0

Fixed

6.11.3