CVE-2023-52479

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52479
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52479.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52479
Downstream
Published
2024-02-29T05:43:11Z
Modified
2025-10-21T14:19:42.813065Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
ksmbd: fix uaf in smb20_oplock_break_ack
Details

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

ksmbd: fix uaf in smb20oplockbreak_ack

drop reference after use opinfo.

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
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
694e13732e830cbbfedb562e57f28644927c33fd
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
8226ffc759ea59f10067b9acdf7f94bae1c69930
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
d5b0e9d3563e7e314a850e81f42b2ef6f39882f9
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
c69813471a1ec081a0b9bf0c6bd7e8afd818afce

Affected versions

v5.*

v5.13
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
v5.15.100
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
v5.15.14
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
v6.1.6
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
v6.6-rc1
v6.6-rc2
v6.6-rc3
v6.6-rc4

Database specific

vanir_signatures

[
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "334326406063902672397036993796837692745",
            "length": 2973.0
        },
        "target": {
            "file": "fs/smb/server/smb2pdu.c",
            "function": "smb20_oplock_break_ack"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-17093c3a",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c69813471a1ec081a0b9bf0c6bd7e8afd818afce"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "97533350455700090587834981471239408520",
                "236414712063062028535805704705092492918",
                "301148051229852434441198004370449762602",
                "176607270827405447413744314131890769227",
                "304110901735653438245448464899125314942",
                "276684071374878838015537152136580156787",
                "304624094837987377493337382216429136153"
            ]
        },
        "target": {
            "file": "fs/smb/server/smb2pdu.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-22df13ed",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d5b0e9d3563e7e314a850e81f42b2ef6f39882f9"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "97533350455700090587834981471239408520",
                "236414712063062028535805704705092492918",
                "301148051229852434441198004370449762602",
                "176607270827405447413744314131890769227",
                "304110901735653438245448464899125314942",
                "276684071374878838015537152136580156787",
                "304624094837987377493337382216429136153"
            ]
        },
        "target": {
            "file": "fs/smb/server/smb2pdu.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-6be2961d",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8226ffc759ea59f10067b9acdf7f94bae1c69930"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "260225977494094433167372511531407785946",
            "length": 2950.0
        },
        "target": {
            "file": "fs/smb/server/smb2pdu.c",
            "function": "smb20_oplock_break_ack"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-75af556a",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@d5b0e9d3563e7e314a850e81f42b2ef6f39882f9"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "97533350455700090587834981471239408520",
                "236414712063062028535805704705092492918",
                "301148051229852434441198004370449762602",
                "176607270827405447413744314131890769227",
                "304110901735653438245448464899125314942",
                "276684071374878838015537152136580156787",
                "304624094837987377493337382216429136153"
            ]
        },
        "target": {
            "file": "fs/smb/server/smb2pdu.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-860ec598",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c69813471a1ec081a0b9bf0c6bd7e8afd818afce"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "260225977494094433167372511531407785946",
            "length": 2950.0
        },
        "target": {
            "file": "fs/smb/server/smb2pdu.c",
            "function": "smb20_oplock_break_ack"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-88086413",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8226ffc759ea59f10067b9acdf7f94bae1c69930"
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "275304297219290392799682383481286866723",
            "length": 2998.0
        },
        "target": {
            "file": "fs/ksmbd/smb2pdu.c",
            "function": "smb20_oplock_break_ack"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-8da957cc",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@694e13732e830cbbfedb562e57f28644927c33fd"
    },
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "97533350455700090587834981471239408520",
                "236414712063062028535805704705092492918",
                "301148051229852434441198004370449762602",
                "176607270827405447413744314131890769227",
                "304110901735653438245448464899125314942",
                "276684071374878838015537152136580156787",
                "304624094837987377493337382216429136153"
            ]
        },
        "target": {
            "file": "fs/ksmbd/smb2pdu.c"
        },
        "signature_version": "v1",
        "id": "CVE-2023-52479-a7289980",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@694e13732e830cbbfedb562e57f28644927c33fd"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.15.0
Fixed
5.15.135
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.57
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.5.7