CVE-2022-1804— Accountsservice incorrectly drops privileges
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I. Basic Information for CVE-2022-1804
Vulnerability Information
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Vulnerability Title
Accountsservice incorrectly drops privileges
Source: NVD (National Vulnerability Database)
Vulnerability Description
accountsservice no longer drops permissions when writting .pam_environment
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Ubuntu AccountsService 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Ubuntu AccountsService是个人开发者的一款用于在Linux上管理账户的软件。该软件提供对帐户的查询和操作功能，另外提供一组基于useradd、usermod等命令的API。 Ubuntu AccountsService 存在安全漏洞，该漏洞源于AccountsService 错误地删除了权限。本地用户可能会利用该漏洞导致 AccountsService 崩溃或停止响应，从而导致拒绝服务。
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
II. Public POCs for CVE-2022-1804
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IV. Related Vulnerabilities
Same product: Linux
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fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Ubuntu
Same weakness: CWE-269
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V. Comments for CVE-2022-1804
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