CVE-2024-26811

If installing malicious ksmbd-tools, ksmbd.mountd can return invalid ipc response to ksmbd kernel server. ksmbd should validate payload size of ipc response from ksmbd.mountd to avoid memory overrun or slab-out-of-bounds. This patch validate 3 ipc response that has payload.

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

88b7f1143b15b29cccb8392b4f38e75b7bb3e300

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

0626e6641f6b467447c81dd7678a69c66f7746cf

Fixed

51a6c2af9d20203ddeeaf73314ba8854b38d01bd

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

0626e6641f6b467447c81dd7678a69c66f7746cf

Fixed

a637fabac554270a851033f5ab402ecb90bc479c

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

0626e6641f6b467447c81dd7678a69c66f7746cf

Fixed

76af689a45aa44714b46d1a7de4ffdf851ded896

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

0626e6641f6b467447c81dd7678a69c66f7746cf

Fixed

a677ebd8ca2f2632ccdecbad7b87641274e15aac

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

v5.15.140

v5.15.141

v5.15.142

v5.15.143

v5.15.144

v5.15.145

v5.15.146

v5.15.147

v5.15.148

v5.15.149

v5.15.15

v5.15.150

v5.15.151

v5.15.152

v5.15.153

v5.15.154

v5.15.155

v5.15.156

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

v6.1.64

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

v6.1.9

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

v6.6

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

v6.6.3

v6.6.4

v6.6.5

v6.6.6

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

v6.8.1

v6.8.2

v6.8.3

v6.8.4

v6.9-rc1

v6.9-rc2

Database specific

vanir_signatures

[
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-05cee5cc",
        "target": {
            "function": "share_config_request",
            "file": "fs/smb/server/mgmt/share_config.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a677ebd8ca2f2632ccdecbad7b87641274e15aac",
        "digest": {
            "function_hash": "246611618478155897205051553898405311301",
            "length": 1788.0
        }
    },
    {
        "signature_type": "Line",
        "id": "CVE-2024-26811-230a629c",
        "target": {
            "file": "fs/ksmbd/ksmbd_netlink.h"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@88b7f1143b15b29cccb8392b4f38e75b7bb3e300",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "60171967568202088979183659326108897835",
                "304638336325208610505279394516282522771",
                "20024411550026699470194089352243676218",
                "14025793138563275789458517033069258883"
            ]
        }
    },
    {
        "signature_type": "Line",
        "id": "CVE-2024-26811-26ac8e1f",
        "target": {
            "file": "fs/smb/server/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a677ebd8ca2f2632ccdecbad7b87641274e15aac",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "244625803570367558373072335254940995808",
                "277842254308658267667482297146843758399",
                "333130857611691896191982162196718750197",
                "18480821472631567648027942180675789610",
                "46129976899755702358984268191631254047",
                "217900210672844464657320267223798011389",
                "158513511586897271163260741496000594927",
                "337231024548950079396576481752227376327",
                "118765164267048846104531118822021209183",
                "155531566410928152591413716174104333593",
                "6767275117398538021322497064504119073",
                "12451005480390118018548155953498874538",
                "111526588661756291921344645652920451156",
                "51417053768288194779721102102013736728",
                "17161267900228918996263269930833310607"
            ]
        }
    },
    {
        "signature_type": "Line",
        "id": "CVE-2024-26811-2f88725c",
        "target": {
            "file": "fs/smb/server/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a637fabac554270a851033f5ab402ecb90bc479c",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "244625803570367558373072335254940995808",
                "277842254308658267667482297146843758399",
                "333130857611691896191982162196718750197",
                "18480821472631567648027942180675789610",
                "46129976899755702358984268191631254047",
                "217900210672844464657320267223798011389",
                "158513511586897271163260741496000594927",
                "337231024548950079396576481752227376327",
                "118765164267048846104531118822021209183",
                "155531566410928152591413716174104333593",
                "6767275117398538021322497064504119073",
                "12451005480390118018548155953498874538",
                "111526588661756291921344645652920451156",
                "51417053768288194779721102102013736728",
                "17161267900228918996263269930833310607"
            ]
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-34ce4818",
        "target": {
            "function": "share_config_request",
            "file": "fs/smb/server/mgmt/share_config.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@76af689a45aa44714b46d1a7de4ffdf851ded896",
        "digest": {
            "function_hash": "246611618478155897205051553898405311301",
            "length": 1788.0
        }
    },
    {
        "signature_type": "Line",
        "id": "CVE-2024-26811-4c6a99eb",
        "target": {
            "file": "fs/smb/server/ksmbd_netlink.h"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@51a6c2af9d20203ddeeaf73314ba8854b38d01bd",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "60171967568202088979183659326108897835",
                "304638336325208610505279394516282522771",
                "20024411550026699470194089352243676218",
                "14025793138563275789458517033069258883"
            ]
        }
    },
    {
        "signature_type": "Line",
        "id": "CVE-2024-26811-4c8821a1",
        "target": {
            "file": "fs/smb/server/ksmbd_netlink.h"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@76af689a45aa44714b46d1a7de4ffdf851ded896",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "60171967568202088979183659326108897835",
                "304638336325208610505279394516282522771",
                "20024411550026699470194089352243676218",
                "14025793138563275789458517033069258883"
            ]
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-4f75c5ba",
        "target": {
            "function": "share_config_request",
            "file": "fs/smb/server/mgmt/share_config.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@51a6c2af9d20203ddeeaf73314ba8854b38d01bd",
        "digest": {
            "function_hash": "246611618478155897205051553898405311301",
            "length": 1788.0
        }
    },
    {
        "signature_type": "Line",
        "id": "CVE-2024-26811-609b4e7c",
        "target": {
            "file": "fs/smb/server/mgmt/share_config.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a637fabac554270a851033f5ab402ecb90bc479c",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "160439146256148014774627451003568562168",
                "4799773111573394985550617367607394653",
                "4468041300066797673729032995308599101",
                "101182376019647492569653479481107569713"
            ]
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-65d07d88",
        "target": {
            "function": "handle_response",
            "file": "fs/ksmbd/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@88b7f1143b15b29cccb8392b4f38e75b7bb3e300",
        "digest": {
            "function_hash": "284489075571333709635840878561088885838",
            "length": 713.0
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-6a520172",
        "target": {
            "function": "ipc_msg_send_request",
            "file": "fs/smb/server/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a637fabac554270a851033f5ab402ecb90bc479c",
        "digest": {
            "function_hash": "175327262675171358434349699394629419198",
            "length": 643.0
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-6d0d36b3",
        "target": {
            "function": "ipc_msg_send_request",
            "file": "fs/smb/server/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@76af689a45aa44714b46d1a7de4ffdf851ded896",
        "digest": {
            "function_hash": "175327262675171358434349699394629419198",
            "length": 643.0
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-7066db30",
        "target": {
            "function": "handle_response",
            "file": "fs/smb/server/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@51a6c2af9d20203ddeeaf73314ba8854b38d01bd",
        "digest": {
            "function_hash": "284489075571333709635840878561088885838",
            "length": 713.0
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-7b425ca9",
        "target": {
            "function": "handle_response",
            "file": "fs/smb/server/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a637fabac554270a851033f5ab402ecb90bc479c",
        "digest": {
            "function_hash": "284489075571333709635840878561088885838",
            "length": 713.0
        }
    },
    {
        "signature_type": "Line",
        "id": "CVE-2024-26811-81ce4529",
        "target": {
            "file": "fs/smb/server/mgmt/share_config.c"
        },
        "signature_version": "v1",
        "deprecated": false,
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@51a6c2af9d20203ddeeaf73314ba8854b38d01bd",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "160439146256148014774627451003568562168",
                "4799773111573394985550617367607394653",
                "4468041300066797673729032995308599101",
                "101182376019647492569653479481107569713"
            ]
        }
    },
    {
        "signature_type": "Function",
        "id": "CVE-2024-26811-85cb36a4",
        "target": {
            "function": "ipc_msg_send_request",
            "file": "fs/smb/server/transport_ipc.c"
        },
        "signature_version": "v1",
        "deprecated": false,
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Linux / Kernel

Package

Name: Kernel

Affected ranges

Type: ECOSYSTEM
Events: Introduced

5.15.0

Fixed

5.15.157

Type: ECOSYSTEM
Events: Introduced

5.16.0

Fixed

6.1.85

Type: ECOSYSTEM
Events: Introduced

6.2.0

Fixed

6.6.26

Type: ECOSYSTEM
Events: Introduced

6.7.0

Fixed

6.8.5