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Linux Kernel Dirty Frag LPE Exploit Enables Root Access Across Major Distributions

·Source: The Hacker News

Updated:

Executive Summary

Details have emerged about a new, unpatched local privilege escalation (LPE) vulnerability impacting the Linux kernel. Dubbed Dirty Frag, it has been described as a successor to Copy Fail (CVE-2026-31431, CVSS score: 7.8), a recently disclosed LPE flaw impacting the Linux kernel that has since come under active exploitation in the wild. The vulnerability was reported to Linux kernel maintainers

Analysis

Details have emerged about a new, unpatched local privilege escalation (LPE) vulnerability impacting the Linux kernel. Dubbed Dirty Frag, it has been described as a successor to Copy Fail (CVE-2026-31431, CVSS score: 7.8), a recently disclosed LPE flaw impacting the Linux kernel that has since come under active exploitation in the wild. The vulnerability was reported to Linux kernel maintainers

Indicators of Compromise (1)

CVE (1)
CVE-2026-31431
NVDMITRE CVE
Source Attribution

Originally published by The Hacker News on May 8, 2026.

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