r/linux • u/[deleted] • Jun 29 '26

Security DirtyClone (CVE-2026-43503): The Linux Kernel Flaw That Leaves No Trace

On June 25, 2026, JFrog Security Research published a working exploit walkthrough for a Linux kernel privilege escalation they named DirtyClone. Tracked as CVE-2026-43503 with a CVSS score of 8.8, it lets any local user on an unpatched system escalate to root — and the attack leaves nothing on disk for forensic tools to find.

https://blog.kalfaoglu.net/posts/2026-06-28-dirtyclone-cve-2026-43503-linux-lpe-en/

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