CVE-2023-52520

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52520
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52520.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52520
Downstream
Related
Published
2024-03-02T21:52:28Z
Modified
2025-10-21T14:18:17.572260Z
Summary
platform/x86: think-lmi: Fix reference leak
Details

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

platform/x86: think-lmi: Fix reference leak

If a duplicate attribute is found using ksetfindobj(), a reference to that attribute is returned which needs to be disposed accordingly using kobject_put(). Move the setting name validation into a separate function to allow for this change without having to duplicate the cleanup code for this setting. As a side note, a very similar bug was fixed in commit 7295a996fdab ("platform/x86: dell-sysman: Fix reference leak"), so it seems that the bug was copied from that driver.

Compile-tested only.

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
1bcad8e510b27ad843315ab2c27ccf459e3acded
Fixed
124cf0ea4b82e1444ec8c7420af4e7db5558c293
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
1bcad8e510b27ad843315ab2c27ccf459e3acded
Fixed
af21c9119a37cecb7ff27ce0c2f3cf721e9d0ec4
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
1bcad8e510b27ad843315ab2c27ccf459e3acded
Fixed
c6e3023579de8d33256771ac0745239029e81106
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
1bcad8e510b27ad843315ab2c27ccf459e3acded
Fixed
528ab3e605cabf2f9c9bd5944d3bfe15f6e94f81

Affected versions

v5.*

v5.13
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
v5.15.100
v5.15.101
v5.15.102
v5.15.103
v5.15.104
v5.15.105
v5.15.106
v5.15.107
v5.15.108
v5.15.109
v5.15.11
v5.15.110
v5.15.111
v5.15.112
v5.15.113
v5.15.114
v5.15.115
v5.15.116
v5.15.117
v5.15.118
v5.15.119
v5.15.12
v5.15.120
v5.15.121
v5.15.122
v5.15.123
v5.15.124
v5.15.125
v5.15.126
v5.15.127
v5.15.128
v5.15.129
v5.15.13
v5.15.130
v5.15.131
v5.15.132
v5.15.133
v5.15.134
v5.15.135
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
v5.15.63
v5.15.64
v5.15.65
v5.15.66
v5.15.67
v5.15.68
v5.15.69
v5.15.7
v5.15.70
v5.15.71
v5.15.72
v5.15.73
v5.15.74
v5.15.75
v5.15.76
v5.15.77
v5.15.78
v5.15.79
v5.15.8
v5.15.80
v5.15.81
v5.15.82
v5.15.83
v5.15.84
v5.15.85
v5.15.86
v5.15.87
v5.15.88
v5.15.89
v5.15.9
v5.15.90
v5.15.91
v5.15.92
v5.15.93
v5.15.94
v5.15.95
v5.15.96
v5.15.97
v5.15.98
v5.15.99
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

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
v6.1.11
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
v6.1.6
v6.1.7
v6.1.8
v6.1.9
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
v6.5.1
v6.5.2
v6.5.3
v6.5.4
v6.5.5
v6.5.6
v6.5.7
v6.6-rc1

Database specific

vanir_signatures

[
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "269891344034882558207772096141374625483",
                "233399429343891947160540021998376572563",
                "250711367895391098755127775784785127454",
                "328120215731571655838435789075463182367",
                "96554509887825360262448642489846509382",
                "277251734151003135723072388400825151268",
                "335030337722207475111868803448334344904",
                "337251248509956964414162931910939444931",
                "168231598904068392726890354953550935219",
                "82606684258699002169299147255065679924"
            ]
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-369e1dc4",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@528ab3e605cabf2f9c9bd5944d3bfe15f6e94f81"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "261714395976833344097981661545070519039",
            "length": 3550.0
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c",
            "function": "tlmi_sysfs_init"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-4d8a78bd",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c6e3023579de8d33256771ac0745239029e81106"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "86831362756794553421498688235455016191",
                "233399429343891947160540021998376572563",
                "250711367895391098755127775784785127454",
                "328120215731571655838435789075463182367",
                "96554509887825360262448642489846509382",
                "277251734151003135723072388400825151268",
                "335030337722207475111868803448334344904",
                "337251248509956964414162931910939444931",
                "168231598904068392726890354953550935219",
                "82606684258699002169299147255065679924"
            ]
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-68e06f4e",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@124cf0ea4b82e1444ec8c7420af4e7db5558c293"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "277059684754451504879985871466252980186",
            "length": 2639.0
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c",
            "function": "tlmi_sysfs_init"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-99089f63",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@124cf0ea4b82e1444ec8c7420af4e7db5558c293"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "269891344034882558207772096141374625483",
                "233399429343891947160540021998376572563",
                "250711367895391098755127775784785127454",
                "328120215731571655838435789075463182367",
                "96554509887825360262448642489846509382",
                "277251734151003135723072388400825151268",
                "335030337722207475111868803448334344904",
                "337251248509956964414162931910939444931",
                "168231598904068392726890354953550935219",
                "82606684258699002169299147255065679924"
            ]
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-a2a9f3a4",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c6e3023579de8d33256771ac0745239029e81106"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "269891344034882558207772096141374625483",
                "233399429343891947160540021998376572563",
                "250711367895391098755127775784785127454",
                "328120215731571655838435789075463182367",
                "96554509887825360262448642489846509382",
                "277251734151003135723072388400825151268",
                "335030337722207475111868803448334344904",
                "337251248509956964414162931910939444931",
                "168231598904068392726890354953550935219",
                "82606684258699002169299147255065679924"
            ]
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-b051ad98",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@af21c9119a37cecb7ff27ce0c2f3cf721e9d0ec4"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "261714395976833344097981661545070519039",
            "length": 3550.0
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c",
            "function": "tlmi_sysfs_init"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-c0fcd5c6",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@af21c9119a37cecb7ff27ce0c2f3cf721e9d0ec4"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "261714395976833344097981661545070519039",
            "length": 3550.0
        },
        "target": {
            "file": "drivers/platform/x86/think-lmi.c",
            "function": "tlmi_sysfs_init"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52520-fa463206",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@528ab3e605cabf2f9c9bd5944d3bfe15f6e94f81"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.14.0
Fixed
5.15.136
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.59
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.5.8