Security
Nine-Year-Old RefluXFS Linux Flaw Gives Local Users Root on Default RHEL Installs
The Hacker News·July 23, 2026·1 min read
A nine-year-old Linux kernel flaw, CVE-2026-64600, disclosed on July 22 lets unprivileged local users gain persistent root access on default Red Hat Enterprise Linux, Fedora Server, and Amazon Linux installs. Qualys demonstrated the race condition exploit targeting XFS filesystems. Patches are pending from affected distributions. The vulnerability affects millions of servers running default configurations.
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