CVE-2023-7152

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Source
https://cve.org/CVERecord?id=CVE-2023-7152
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-7152.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-7152
Aliases
Downstream
Published
2023-12-29T04:31:04.054Z
Modified
2026-07-22T02:50:47.144238Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
MicroPython modselect.c poll_set_add_fd use after free
Details

A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function pollsetadd_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.

Database specific 
{
    "cwe_ids": [
        "CWE-416"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/7xxx/CVE-2023-7152.json",
    "cna_assigner": "VulDB"
}
References

Affected packages

Git / github.com/jimmo/micropython

Affected ranges

Type
GIT
Repo
https://github.com/jimmo/micropython
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
8b24aa36ba978eafc6114b6798b47b7bfecdca26
Database specific 
{
    "source": "REFERENCES"
}
Type
GIT
Repo
https://github.com/micropython/micropython
Events
Introduced
e00a144008f368df878c12606fdbf651af2a1dc0
Last affected
69e34b6b6bdf45bc1111777c46839a8b5fcb30bd
Database specific 
{
    "extracted_events": [
        {
            "introduced": "1.21.0"
        },
        {
            "last_affected": "1.21.0"
        },
        {
            "introduced": "1.22.0-preview"
        },
        {
            "last_affected": "1.22.0-preview"
        }
    ],
    "cpe": [
        "cpe:2.3:a:micropython:micropython:1.21.0:*:*:*:*:*:*:*",
        "cpe:2.3:a:micropython:micropython:1.22.0:preview:*:*:*:*:*:*"
    ],
    "source": [
        "AFFECTED_FIELD",
        "CPE_STRING"
    ]
}

Affected versions

1.*
1.21.0
1.22.0-preview
v1.*
v1.0
v1.0-rc1
v1.0.1
v1.1
v1.1.1
v1.2
v1.21.0
v1.22.0-preview
v1.3
v1.3.1
v1.3.10
v1.3.2
v1.3.3
v1.3.4
v1.3.5
v1.3.6
v1.3.7
v1.3.8
v1.3.9
v1.4
v1.4.1
v1.4.2
v1.4.3
v1.4.4
v1.4.5
v1.4.6
v1.5
v1.5.1
v1.5.2
v1.6
v1.7
v1.8
v1.8.1
v1.8.2
v1.8.3
v1.8.4
v1.8.5
v1.8.6
v1.8.7
v1.9
v1.9.1
v1.9.2
v1.9.3

Database specific

vanir_signatures 
[
    {
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "100514678993952764631001232513906537474",
                "184635985177277776058266799635677985380",
                "164230940075714143062822397552674040199",
                "228660635332080749222774965009048948408",
                "28995778423837000612302589737259141075",
                "18652610911259546864168799773277061273",
                "286860532521091533751639708115663559090",
                "224462232164678787202293072350156611568",
                "240308530618914926892437594634708463221",
                "84432039754077587633886216482598820342",
                "268424210313647838700403150769473988174",
                "321210418996263357512097437121534983644"
            ]
        },
        "deprecated": false,
        "id": "CVE-2023-7152-25f6c61c",
        "signature_version": "v1",
        "source": "https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26",
        "target": {
            "file": "extmod/modselect.c"
        }
    },
    {
        "signature_type": "Function",
        "digest": {
            "function_hash": "160868559766814285633166252859406262810",
            "length": 591.0
        },
        "deprecated": false,
        "id": "CVE-2023-7152-b41c5cce",
        "signature_version": "v1",
        "source": "https://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26",
        "target": {
            "file": "extmod/modselect.c",
            "function": "poll_set_add_fd"
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-7152.json"
vanir_signatures_modified 
"2026-07-22T02:50:47Z"