Oracle Co-Founder Larry Ellison delivers a keynote address at the Oracle OpenWorld conference in 2006. A researcher found five similar vulnerabilities in the kernel of Linux operating systems that can allow an attacker to escalate local privileges on a victim’s network. (Justin Sullivan/Getty Images)

A researcher at Positive Technologies found five similar vulnerabilities in the kernel of Linux operating systems that can allow an attacker to escalate local privileges on a victim’s network.

The flaws, discovered by security researcher Alexander Popov, could allow an attacker to potentially steal data, run administrative commands or install malware on operating systems or server applications. Popov was able to successfully test an exploit of one of the vulnerabilities on Fedora Server 33, notifying the Linux Foundation, a non-profit consortium designed to standardize support for the open-source Linux system, and other parties through email on February 5.

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