CVE-2023-52755

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-52755
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52755.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-52755
Downstream
Published
2024-05-21T15:30:42Z
Modified
2025-10-21T15:08:25.302348Z
Severity
  • 8.4 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
ksmbd: fix slab out of bounds write in smb_inherit_dacl()
Details

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

ksmbd: fix slab out of bounds write in smbinheritdacl()

slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the check to validate 3 offsets using allocation size.

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
aaf0a07d60887d6c36fc46a24de0083744f07819
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
8387c94d73ec66eb597c7a23a8d9eadf64bfbafa
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
09d9d8b40a3338193619c14ed4dc040f4f119e70
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
712e01f32e577e7e48ab0adb5fe550646a3d93cb
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
0626e6641f6b467447c81dd7678a69c66f7746cf
Fixed
eebff19acaa35820cb09ce2ccb3d21bee2156ffb

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
v5.15.135
v5.15.136
v5.15.137
v5.15.138
v5.15.139
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
v6.1.59
v6.1.6
v6.1.60
v6.1.61
v6.1.62
v6.1.63
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
v6.5.10
v6.5.11
v6.5.12
v6.5.2
v6.5.3
v6.5.4
v6.5.5
v6.5.6
v6.5.7
v6.5.8
v6.5.9
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
v6.6.2

Database specific

vanir_signatures

[
    {
        "id": "CVE-2023-52755-04e923db",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8387c94d73ec66eb597c7a23a8d9eadf64bfbafa",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "fs/smb/server/smbacl.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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                "230895966643501703246527124204032203403"
            ]
        },
        "signature_type": "Line"
    },
    {
        "id": "CVE-2023-52755-2394d7cf",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@09d9d8b40a3338193619c14ed4dc040f4f119e70",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "fs/smb/server/smbacl.c"
        },
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            ]
        },
        "signature_type": "Line"
    },
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        "deprecated": false,
        "signature_version": "v1",
        "target": {
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        },
        "digest": {
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                "230895966643501703246527124204032203403"
            ]
        },
        "signature_type": "Line"
    },
    {
        "id": "CVE-2023-52755-2fe15f88",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@09d9d8b40a3338193619c14ed4dc040f4f119e70",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "function": "smb_inherit_dacl",
            "file": "fs/smb/server/smbacl.c"
        },
        "digest": {
            "length": 4276.0,
            "function_hash": "76149239310467483097472688783759529305"
        },
        "signature_type": "Function"
    },
    {
        "id": "CVE-2023-52755-95c08a75",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@712e01f32e577e7e48ab0adb5fe550646a3d93cb",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "function": "smb_inherit_dacl",
            "file": "fs/smb/server/smbacl.c"
        },
        "digest": {
            "length": 4276.0,
            "function_hash": "76149239310467483097472688783759529305"
        },
        "signature_type": "Function"
    },
    {
        "id": "CVE-2023-52755-a1e53bed",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@712e01f32e577e7e48ab0adb5fe550646a3d93cb",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
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        },
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        "signature_type": "Line"
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    {
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        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "function": "smb_inherit_dacl",
            "file": "fs/ksmbd/smbacl.c"
        },
        "digest": {
            "length": 4280.0,
            "function_hash": "141289014642861133847980183283191970903"
        },
        "signature_type": "Function"
    },
    {
        "id": "CVE-2023-52755-bf6dd5cb",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@eebff19acaa35820cb09ce2ccb3d21bee2156ffb",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "function": "smb_inherit_dacl",
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        },
        "digest": {
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            "function_hash": "76149239310467483097472688783759529305"
        },
        "signature_type": "Function"
    },
    {
        "id": "CVE-2023-52755-cdd68151",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@8387c94d73ec66eb597c7a23a8d9eadf64bfbafa",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "function": "smb_inherit_dacl",
            "file": "fs/smb/server/smbacl.c"
        },
        "digest": {
            "length": 4286.0,
            "function_hash": "241677874796956537890043273485973888903"
        },
        "signature_type": "Function"
    },
    {
        "id": "CVE-2023-52755-fbc310bd",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@aaf0a07d60887d6c36fc46a24de0083744f07819",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "fs/ksmbd/smbacl.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
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        },
        "signature_type": "Line"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.15.0
Fixed
5.15.140
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.64
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.5.13
Type
ECOSYSTEM
Events
Introduced
6.6.0
Fixed
6.6.3