CVE-2022-49676

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Source
https://nvd.nist.gov/vuln/detail/CVE-2022-49676
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49676.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2022-49676
Downstream
Related
Published
2025-02-26T02:24:07Z
Modified
2025-10-21T11:03:58.839749Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
memory: samsung: exynos5422-dmc: Fix refcount leak in of_get_dram_timings
Details

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

memory: samsung: exynos5422-dmc: Fix refcount leak in ofgetdram_timings

ofparsephandle() returns a node pointer with refcount incremented, we should use ofnodeput() on it when not need anymore. This function doesn't call ofnodeput() in some error paths. To unify the structure, Add put_node label and goto it on errors.

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
6e7674c3c6df565ab47d02b4f2e608e3477cdf86
Fixed
889aad2203e09eed2071ca8985c25e9d6aea5735
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
6e7674c3c6df565ab47d02b4f2e608e3477cdf86
Fixed
cde4480b5ab06195b9164184b0c02ced71e601b4
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
6e7674c3c6df565ab47d02b4f2e608e3477cdf86
Fixed
bb2a481778c60f912c363e271ae46b55ff8132db
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
6e7674c3c6df565ab47d02b4f2e608e3477cdf86
Fixed
1332661e09304b7b8e84e5edc11811ba08d12abe

Affected versions

v5.*

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
v5.10.13
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
v5.15.6
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
v5.18.2
v5.18.3
v5.18.4
v5.18.5
v5.18.6
v5.18.7
v5.19-rc1
v5.4
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

[
    {
        "id": "CVE-2022-49676-5e31b9ca",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bb2a481778c60f912c363e271ae46b55ff8132db",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "digest": {
            "function_hash": "59017304188437075231531762028382341414",
            "length": 1612.0
        },
        "target": {
            "function": "of_get_dram_timings",
            "file": "drivers/memory/samsung/exynos5422-dmc.c"
        }
    },
    {
        "id": "CVE-2022-49676-733eb142",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@bb2a481778c60f912c363e271ae46b55ff8132db",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line",
        "digest": {
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        "target": {
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    },
    {
        "id": "CVE-2022-49676-a8700d0c",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@1332661e09304b7b8e84e5edc11811ba08d12abe",
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        }
    },
    {
        "id": "CVE-2022-49676-b0a1cc58",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@cde4480b5ab06195b9164184b0c02ced71e601b4",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "digest": {
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            "length": 1612.0
        },
        "target": {
            "function": "of_get_dram_timings",
            "file": "drivers/memory/samsung/exynos5422-dmc.c"
        }
    },
    {
        "id": "CVE-2022-49676-c4c3242a",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@889aad2203e09eed2071ca8985c25e9d6aea5735",
        "deprecated": false,
        "signature_version": "v1",
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        "digest": {
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            "length": 1612.0
        },
        "target": {
            "function": "of_get_dram_timings",
            "file": "drivers/memory/samsung/exynos5422-dmc.c"
        }
    },
    {
        "id": "CVE-2022-49676-c945fdbf",
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        "target": {
            "file": "drivers/memory/samsung/exynos5422-dmc.c"
        }
    },
    {
        "id": "CVE-2022-49676-dba76d2e",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@889aad2203e09eed2071ca8985c25e9d6aea5735",
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    {
        "id": "CVE-2022-49676-eb34753a",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@cde4480b5ab06195b9164184b0c02ced71e601b4",
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        "target": {
            "file": "drivers/memory/samsung/exynos5422-dmc.c"
        }
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.5.0
Fixed
5.10.127
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.51
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
5.18.8