Two serious security vulnerabilities have been discovered in various Linux distributions, predominantly associated with the Sudo command-line utility. Identified as CVE-2025-32462 and CVE-2025-32463, the flaws enable local attackers to escalate their privileges and execute arbitrary code.
The vulnerabilities affect all versions of Sudo prior to 1.9.17p1. These flaws have existed since late 2013, as noted by Rich Mirch, a researcher at Stratascale, who discovered them. One of the vulnerabilities is rated with a severity score of 9.3/10, categorizing it as critical.
Sudo (short for "superuser do") is widely used in Linux and Unix-like operating systems to allow permitted users to execute commands with elevated permissions without needing to log in directly as the root user. This feature is crucial for administrative tasks, such as installing software.
According to Todd C. Miller, a maintainer for the Sudo project, the flaw particularly impacts systems utilizing a standard sudoers file distributed across multiple machines, including those using LDAP-based sudoers.
Patches for the vulnerabilities were released in late June 2024, following responsible disclosure that occurred in early April of the same year. Following this, several Linux distributions including AlmaLinux, Alpine Linux, Amazon Linux, Debian, Gentoo, Red Hat, SUSE, and Ubuntu have released advisories to address the flaws specific to their systems.
Linux users are strongly encouraged to apply the available patches and ensure their distributions are kept updated to mitigate potential risks associated with these vulnerabilities.
For more information about Linux distributions, visit Best Linux Distros.
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