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CVE-2023-7152— MicroPython modselect.c poll_set_add_fd use after free

Quick assessment

Affected
n/a MicroPython
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MicroPython是MicroPython开源的一个小型的开源Python编程语言解释器。 MicroPython 1.21.0版本和1.22.0-preview版本存在资源管理错误漏洞，该漏洞源于文件extmod/modselect.c的函数poll_set_add_fd会导致释放后重用。

CVSS 5.5 · Medium EPSS 0.89% · P58
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I. Basic Information for CVE-2023-7152

Vulnerability Information
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Vulnerability Title
MicroPython modselect.c poll_set_add_fd use after free
Source: CVE Program / CVE List V5
Vulnerability Description
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 poll_set_add_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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
MicroPython 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MicroPython是MicroPython开源的一个小型的开源Python编程语言解释器。 MicroPython 1.21.0版本和1.22.0-preview版本存在资源管理错误漏洞，该漏洞源于文件extmod/modselect.c的函数poll_set_add_fd会导致释放后重用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- MicroPython 1.21.0 -

II. Public POCs for CVE-2023-7152

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III. Intelligence Information for CVE-2023-7152

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Patches & Fixes for CVE-2023-7152 (1)

Vendor Advisories for CVE-2023-7152 (2)

Mailing List Discussions for CVE-2023-7152 (3)

Other References for CVE-2023-7152 (1)

Same Patch Batch · n/a · 2023-12-29 · 26 CVEs total

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Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: MicroPython
Same vendor: n/a
Same weakness: CWE-416

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