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CVE-2024-2312

Quick assessment

Affected
Debian Debian based GNU GRUB
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.

grub2是美国GNU社区的一款Linux系统引导程序。 GNU GRUB2存在安全漏洞，该漏洞源于内存释放后重用。

CVSS 6.7 · Medium EPSS 0.38% · P29

Possible ATT&CK Techniques 1 AI

T1001 · Data Obfuscation
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I. Basic Information for CVE-2024-2312

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
GRUB2 does not call the module fini functions on exit, leading to Debian/Ubuntu's peimage GRUB2 module leaving UEFI system table hooks after exit. This lead to a use-after-free condition, and could possibly lead to secure boot bypass.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GNU grub2 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
grub2是美国GNU社区的一款Linux系统引导程序。 GNU GRUB2存在安全漏洞，该漏洞源于内存释放后重用。
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
Debian Debian based GNU GRUB 0 ~ 2.12-1ubuntu5 -

II. Public POCs for CVE-2024-2312

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III. Intelligence Information for CVE-2024-2312

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Vendor Advisories for CVE-2024-2312 (2)

Other References for CVE-2024-2312 (1)

IV. Related Vulnerabilities

Same vendor: Debian

V. Comments for CVE-2024-2312

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