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All Linux distros are affected by the new “Dirty Frag” vulnerability.
Similar to the “Copy Fail” exploit revealed a week ago, the two “Dirty Frag” exploits (CVE-2026-43284) also allow a local user to give themselves root privileges on nearly any Linux distribution. The researcher who found it says that, “Because the embargo has now been broken, no patches or CVEs exist for these vulnerabilities.”
Ubuntu developer Canonical has detailed mitigations, and Red Hat says it will provide guidance “soon.”
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