CVE-2025-40176

Source
https://nvd.nist.gov/vuln/detail/CVE-2025-40176
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-40176.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-40176
Downstream
Published
2025-11-12T10:53:50Z
Modified
2025-11-12T20:57:03.915665Z
Summary
tls: wait for pending async decryptions if tls_strp_msg_hold fails
Details

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

tls: wait for pending async decryptions if tlsstrpmsg_hold fails

Async decryption calls tlsstrpmsg_hold to create a clone of the input skb to hold references to the memory it uses. If we fail to allocate that clone, proceeding with async decryption can lead to various issues (UAF on the skb, writing into userspace memory after the recv() call has returned).

In this case, wait for all pending decryption requests.

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
84c61fe1a75b4255df1e1e7c054c9e6d048da417
Fixed
9f83fd0c179e0f458e824e417f9d5ad53443f685
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
84c61fe1a75b4255df1e1e7c054c9e6d048da417
Fixed
c61d4368197d65c4809d9271f3b85325a600586a
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
84c61fe1a75b4255df1e1e7c054c9e6d048da417
Fixed
39dec4ea3daf77f684308576baf483b55ca7f160
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
84c61fe1a75b4255df1e1e7c054c9e6d048da417
Fixed
4fc109d0ab196bd943b7451276690fb6bb48c2e0
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
84c61fe1a75b4255df1e1e7c054c9e6d048da417
Fixed
b8a6ff84abbcbbc445463de58704686011edc8e1

Affected versions

v5.*

v5.19
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
v6.1.100
v6.1.101
v6.1.102
v6.1.103
v6.1.104
v6.1.105
v6.1.106
v6.1.107
v6.1.108
v6.1.109
v6.1.11
v6.1.110
v6.1.111
v6.1.112
v6.1.113
v6.1.114
v6.1.115
v6.1.116
v6.1.117
v6.1.118
v6.1.119
v6.1.12
v6.1.120
v6.1.121
v6.1.122
v6.1.123
v6.1.124
v6.1.125
v6.1.126
v6.1.127
v6.1.128
v6.1.129
v6.1.13
v6.1.130
v6.1.131
v6.1.132
v6.1.133
v6.1.134
v6.1.135
v6.1.136
v6.1.137
v6.1.138
v6.1.139
v6.1.14
v6.1.140
v6.1.141
v6.1.142
v6.1.143
v6.1.144
v6.1.145
v6.1.146
v6.1.147
v6.1.148
v6.1.149
v6.1.15
v6.1.150
v6.1.151
v6.1.152
v6.1.153
v6.1.154
v6.1.155
v6.1.156
v6.1.157
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
v6.1.85
v6.1.86
v6.1.87
v6.1.88
v6.1.89
v6.1.9
v6.1.90
v6.1.91
v6.1.92
v6.1.93
v6.1.94
v6.1.95
v6.1.96
v6.1.97
v6.1.98
v6.1.99
v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.12
v6.12-rc1
v6.12-rc2
v6.12-rc3
v6.12-rc4
v6.12-rc5
v6.12-rc6
v6.12-rc7
v6.12.1
v6.12.10
v6.12.11
v6.12.12
v6.12.13
v6.12.14
v6.12.15
v6.12.16
v6.12.17
v6.12.18
v6.12.19
v6.12.2
v6.12.20
v6.12.21
v6.12.22
v6.12.23
v6.12.24
v6.12.25
v6.12.26
v6.12.27
v6.12.28
v6.12.29
v6.12.3
v6.12.30
v6.12.31
v6.12.32
v6.12.33
v6.12.34
v6.12.35
v6.12.36
v6.12.37
v6.12.38
v6.12.39
v6.12.4
v6.12.40
v6.12.41
v6.12.42
v6.12.43
v6.12.44
v6.12.45
v6.12.46
v6.12.47
v6.12.48
v6.12.49
v6.12.5
v6.12.50
v6.12.51
v6.12.52
v6.12.53
v6.12.54
v6.12.6
v6.12.7
v6.12.8
v6.12.9
v6.13
v6.13-rc1
v6.13-rc2
v6.13-rc3
v6.13-rc4
v6.13-rc5
v6.13-rc6
v6.13-rc7
v6.14
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.14-rc4
v6.14-rc5
v6.14-rc6
v6.14-rc7
v6.15
v6.15-rc1
v6.15-rc2
v6.15-rc3
v6.15-rc4
v6.15-rc5
v6.15-rc6
v6.15-rc7
v6.16
v6.16-rc1
v6.16-rc2
v6.16-rc3
v6.16-rc4
v6.16-rc5
v6.16-rc6
v6.16-rc7
v6.17
v6.17-rc1
v6.17-rc2
v6.17-rc3
v6.17-rc4
v6.17-rc5
v6.17-rc6
v6.17-rc7
v6.17.1
v6.17.2
v6.17.3
v6.17.4
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
v6.6.100
v6.6.101
v6.6.102
v6.6.103
v6.6.104
v6.6.105
v6.6.106
v6.6.107
v6.6.108
v6.6.109
v6.6.11
v6.6.110
v6.6.111
v6.6.112
v6.6.113
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
v6.6.26
v6.6.27
v6.6.28
v6.6.29
v6.6.3
v6.6.30
v6.6.31
v6.6.32
v6.6.33
v6.6.34
v6.6.35
v6.6.36
v6.6.37
v6.6.38
v6.6.39
v6.6.4
v6.6.40
v6.6.41
v6.6.42
v6.6.43
v6.6.44
v6.6.45
v6.6.46
v6.6.47
v6.6.48
v6.6.49
v6.6.5
v6.6.50
v6.6.51
v6.6.52
v6.6.53
v6.6.54
v6.6.55
v6.6.56
v6.6.57
v6.6.58
v6.6.59
v6.6.6
v6.6.60
v6.6.61
v6.6.62
v6.6.63
v6.6.64
v6.6.65
v6.6.66
v6.6.67
v6.6.68
v6.6.69
v6.6.7
v6.6.70
v6.6.71
v6.6.72
v6.6.73
v6.6.74
v6.6.75
v6.6.76
v6.6.77
v6.6.78
v6.6.79
v6.6.8
v6.6.80
v6.6.81
v6.6.82
v6.6.83
v6.6.84
v6.6.85
v6.6.86
v6.6.87
v6.6.88
v6.6.89
v6.6.9
v6.6.90
v6.6.91
v6.6.92
v6.6.93
v6.6.94
v6.6.95
v6.6.96
v6.6.97
v6.6.98
v6.6.99
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
v6.9
v6.9-rc1
v6.9-rc2
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7

Database specific

vanir_signatures

[
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4fc109d0ab196bd943b7451276690fb6bb48c2e0",
        "target": {
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "320117635197782637917354902465165706962",
                "51420090101130531959053647800441337426",
                "1558153337508790272363410232996484658",
                "265636705275105083659974434059023688399",
                "278783231041925042981969722639264809749"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2025-40176-2ef79fba"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@9f83fd0c179e0f458e824e417f9d5ad53443f685",
        "target": {
            "function": "tls_decrypt_sg",
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "length": 3838.0,
            "function_hash": "272027028192783956966525483759842222444"
        },
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2025-40176-727f0b3a"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@39dec4ea3daf77f684308576baf483b55ca7f160",
        "target": {
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "320117635197782637917354902465165706962",
                "51420090101130531959053647800441337426",
                "1558153337508790272363410232996484658",
                "265636705275105083659974434059023688399",
                "278783231041925042981969722639264809749"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2025-40176-85f0ed7d"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b8a6ff84abbcbbc445463de58704686011edc8e1",
        "target": {
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "320117635197782637917354902465165706962",
                "51420090101130531959053647800441337426",
                "1558153337508790272363410232996484658",
                "265636705275105083659974434059023688399",
                "278783231041925042981969722639264809749"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2025-40176-9e302df1"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c61d4368197d65c4809d9271f3b85325a600586a",
        "target": {
            "function": "tls_decrypt_sg",
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "length": 3838.0,
            "function_hash": "272027028192783956966525483759842222444"
        },
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2025-40176-a1623d7d"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@c61d4368197d65c4809d9271f3b85325a600586a",
        "target": {
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "320117635197782637917354902465165706962",
                "51420090101130531959053647800441337426",
                "1558153337508790272363410232996484658",
                "265636705275105083659974434059023688399",
                "278783231041925042981969722639264809749"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2025-40176-af2e5e8a"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@b8a6ff84abbcbbc445463de58704686011edc8e1",
        "target": {
            "function": "tls_decrypt_sg",
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "length": 3838.0,
            "function_hash": "272027028192783956966525483759842222444"
        },
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2025-40176-b9bf0a3d"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@9f83fd0c179e0f458e824e417f9d5ad53443f685",
        "target": {
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "320117635197782637917354902465165706962",
                "51420090101130531959053647800441337426",
                "1558153337508790272363410232996484658",
                "265636705275105083659974434059023688399",
                "278783231041925042981969722639264809749"
            ]
        },
        "deprecated": false,
        "signature_type": "Line",
        "id": "CVE-2025-40176-c2913e67"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@4fc109d0ab196bd943b7451276690fb6bb48c2e0",
        "target": {
            "function": "tls_decrypt_sg",
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "length": 3838.0,
            "function_hash": "272027028192783956966525483759842222444"
        },
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2025-40176-c890cf49"
    },
    {
        "signature_version": "v1",
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@39dec4ea3daf77f684308576baf483b55ca7f160",
        "target": {
            "function": "tls_decrypt_sg",
            "file": "net/tls/tls_sw.c"
        },
        "digest": {
            "length": 3838.0,
            "function_hash": "272027028192783956966525483759842222444"
        },
        "deprecated": false,
        "signature_type": "Function",
        "id": "CVE-2025-40176-f2c65571"
    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.0.0
Fixed
6.1.158
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.114
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.55
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.17.5