Sudo

Vulnerability Alert | Local Privilege Escalation Vulnerabilities in Linux sudo

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Vulnerability Alert | Local Privilege Escalation Vulnerabilities in Linux sudo

0x00 Vulnerability ID CVE-2025-32462 CVE-2025-32463 0x01 Danger Level High Risk 0x02 Vulnerability Overview Sudo is a tool used in Unix-like systems that allows authorized users to execute commands with the security privileges of another user, widely used in system administration and operations. 0x03 Vulnerability DetailsCVE-2025-32462Vulnerability Type:Local Privilege EscalationImpact:Privilege EscalationSummary:The Linux sudo host privilege escalation vulnerability … Read more

Critical Sudo Vulnerabilities Allow Local Users to Gain Root Access on Linux, Affecting Major Distributions

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Critical Sudo Vulnerabilities Allow Local Users to Gain Root Access on Linux, Affecting Major Distributions

Cybersecurity researchers have disclosed two security vulnerabilities in the Sudo command-line utility for Linux and Unix-like operating systems, which could allow local attackers to escalate their privileges to root access on vulnerable machines. The vulnerabilities are briefly described as follows: CVE-2025-32462 (CVSS Score: 2.8) – Sudo versions prior to 1.9.17p1, when used with a sudoers … Read more

Understanding the Differences Between Linux Commands ‘su’ and ‘sudo’

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Understanding the Differences Between Linux Commands 'su' and 'sudo'

Understanding the Differences Between Linux Commands ‘su’ and ‘sudo’ Previously, I was confused about the two commands su and sudo. Recently, I specifically searched for information on this topic and finally clarified the relationship and usage of both commands. This article aims to systematically summarize the findings. 1 Preparation Since this blog involves user switching, … Read more

Configuring and Managing an Admin User with Sudo Privileges on Rocky Linux 9.5

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Configuring and Managing an Admin User with Sudo Privileges on Rocky Linux 9.5

In Linux system administration, the Principle of Least Privilege (PoLP) is one of the core principles of secure operations. Directly using the <span>root</span> user for operations carries high risks; it is recommended to create an administrator user with <span>sudo</span> privileges (such as <span>admin</span>) to reduce the impact of accidental operations and security threats. This article … Read more

Rust Rewrites Everything?

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Rust Rewrites Everything?

Produced by | OSC Open Source Community (ID: oschina2013) The Internet Security Research Group (ISRG) is working on the Prossimo project, which is rewriting sudo and su in Rust to enhance their memory safety, ensuring they no longer suffer from memory safety vulnerabilities, and further strengthening the security of the Linux and open source ecosystem. … Read more

Setting Up Sudo Passwordless Access in Linux

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Setting Up Sudo Passwordless Access in Linux

In a Linux system, to set up sudo passwordless access, follow these steps: Open the sudoers file as an administrator: In the terminal, enter the command sudo visudo. This command will open the sudoers file in a safe manner, ensuring the file syntax is correct and preventing system issues due to incorrect edits. Add the … Read more