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One-Character Linux Kernel Flaw Enables Local Root Access, Exploits Now Public

·Source: The Hacker News

Updated:

Executive Summary

Security researchers have published a detailed, working exploit for a Linux kernel use-after-free that lets an unprivileged local user escalate to root and break out of a container. The flaw, CVE-2026-23111, sits in the kernel's nf_tables packet-filtering code and was patched upstream on February 5, 2026. Exodus Intelligence released its full technical walkthrough on June 8, and it is not even

Analysis

Security researchers have published a detailed, working exploit for a Linux kernel use-after-free that lets an unprivileged local user escalate to root and break out of a container. The flaw, CVE-2026-23111, sits in the kernel's nf_tables packet-filtering code and was patched upstream on February 5, 2026. Exodus Intelligence released its full technical walkthrough on June 8, and it is not even

Indicators of Compromise (1)

CVE (1)
CVE-2026-23111
NVDMITRE CVE
Source Attribution

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

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