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CVE-2023-32629

Quick assessment

Affected
Canonical Ubuntu Kernel
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Canonical Ubuntu是英国科能软件（Canonical）公司的一套以桌面应用为主的GNU/Linux操作系统。 Canonical Ubuntu存在安全漏洞，该漏洞源于 Overlayfs ovl_copy_up_meta_inode_data 在 Ubuntu 内核上调用 ovl_do_setxattr 时跳过权限检查。

CVSS 7.8 · High EPSS 9.05% · P95

Public Exploits 1

Metasploit · 1 gameoverlay_privesc.rb#CVE-2023-32629 [exploit]
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I. Basic Information for CVE-2023-32629

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Local privilege escalation vulnerability in Ubuntu Kernels overlayfs ovl_copy_up_meta_inode_data skip permission checks when calling ovl_do_setxattr on Ubuntu kernels
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Canonical Ubuntu 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canonical Ubuntu是英国科能软件（Canonical）公司的一套以桌面应用为主的GNU/Linux操作系统。 Canonical Ubuntu存在安全漏洞，该漏洞源于 Overlayfs ovl_copy_up_meta_inode_data 在 Ubuntu 内核上调用 ovl_do_setxattr 时跳过权限检查。
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
Canonical Ubuntu Kernel - -

II. Public POCs for CVE-2023-32629

# POC Description Source Link Shenlong Link
1 Check for CVE-2023-32629 "GameOver(lay)" vulnerability https://github.com/kaotickj/Check-for-CVE-2023-32629-GameOver-lay POC Details
2 Ubuntu Privilege Escalation bash one-liner using CVE-2023-32629 & CVE-2023-2640 https://github.com/ThrynSec/CVE-2023-32629-CVE-2023-2640---POC-Escalation POC Details
3 One-Liner CVE-2023-32629/CVE-2023-2640 Ubuntu Privilege Escalation https://github.com/k4but0/Ubuntu-LPE POC Details
4 CVE-2023-32629 & CVE-2023-2640 Ubuntu Privilege Escalation POC https://github.com/Umutkgz/CVE-2023-32629-CVE-2023-2640-Ubuntu-Privilege-Escalation-POC POC Details
5 CVE-2023-32629 & CVE-2023-2640 Ubuntu Privilege Escalation POC https://github.com/xS9NTX/CVE-2023-32629-CVE-2023-2640-Ubuntu-Privilege-Escalation-POC POC Details
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III. Intelligence Information for CVE-2023-32629

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Vendor Advisories for CVE-2023-32629 (2)

Exploits & Public PoCs for CVE-2023-32629 (1)

Mailing List Discussions for CVE-2023-32629 (1)

Security Blog Posts for CVE-2023-32629 (1)

IV. Related Vulnerabilities

Same product: Ubuntu Kernel
Same vendor: Canonical
Same weakness: CWE-863

V. Comments for CVE-2023-32629

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