CVE-2024-47743

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Source
https://nvd.nist.gov/vuln/detail/CVE-2024-47743
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-47743.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2024-47743
Downstream
Related
Published
2024-10-21T12:14:11Z
Modified
2025-10-15T16:23:15.120572Z
Summary
KEYS: prevent NULL pointer dereference in find_asymmetric_key()
Details

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

KEYS: prevent NULL pointer dereference in findasymmetrickey()

In findasymmetrickey(), if all NULLs are passed in the id{0,1,2} arguments, the kernel will first emit WARN but then have an oops because id2 gets dereferenced anyway.

Add the missing id2 check and move WARNON() to the final else branch to avoid duplicate NULL checks.

Found by Linux Verification Center (linuxtesting.org) with Svace static analysis tool.

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
7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360
Fixed
3322fa8f2aa40b0b3651034cd541647a600cc6c0
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360
Fixed
a3765b497a4f5224cb2f7a6a2d3357d3066214ee
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360
Fixed
13b5b401ead95b5d8266f64904086c55b6024900
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360
Fixed
0d3b0706ada15c333e6f9faf19590ff715e45d1e
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360
Fixed
70fd1966c93bf3bfe3fe6d753eb3d83a76597eef

Affected versions

v5.*

v5.16
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
v6.1.100
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
v6.1.12
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
v6.1.85
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
v6.10.1
v6.10.10
v6.10.11
v6.10.12
v6.10.2
v6.10.3
v6.10.4
v6.10.5
v6.10.6
v6.10.7
v6.10.8
v6.10.9
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.11.1
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
v6.6.26
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
v6.6.6
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
v6.9
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": [
        {
            "deprecated": false,
            "signature_type": "Line",
            "target": {
                "file": "crypto/asymmetric_keys/asymmetric_type.c"
            },
            "signature_version": "v1",
            "digest": {
                "line_hashes": [
                    "241386404744317133131770759213999877371",
                    "269725395366411278125554898339276893452",
                    "265055125224325034139423575803780999493",
                    "82926099711673485437290222122170241238",
                    "158836181761592961169473929089358867024",
                    "326499847421401661556641321036077845645",
                    "210917925821236856112974867344023961651",
                    "163066259411068153745354965615263316436",
                    "237836839483021823810964507988386072639",
                    "4537489317809881491933203372009781769",
                    "238288599533848857901833711223039481152",
                    "135424646632932988677169276316656261884",
                    "267814920509653315462340619100659216274"
                ],
                "threshold": 0.9
            },
            "id": "CVE-2024-47743-87879577",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a3765b497a4f5224cb2f7a6a2d3357d3066214ee"
        },
        {
            "deprecated": false,
            "signature_type": "Function",
            "target": {
                "file": "crypto/asymmetric_keys/asymmetric_type.c",
                "function": "find_asymmetric_key"
            },
            "signature_version": "v1",
            "digest": {
                "length": 1624.0,
                "function_hash": "261720498016457514827205203813092295545"
            },
            "id": "CVE-2024-47743-a20649c5",
            "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a3765b497a4f5224cb2f7a6a2d3357d3066214ee"
        }
    ]
}

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.17.0
Fixed
6.1.113
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.54
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.10.13
Type
ECOSYSTEM
Events
Introduced
6.11.0
Fixed
6.11.2