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Linux kernel bug caused by single character allows root privilege escalation

IT News
Jun 9, 2026 at 17:56
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Linux kernel bug caused by single character allows root privilege escalation

A high-severity vulnerability tracked as CVE-2026-53111 stems from a single incorrect exclamation mark within the Linux kernel code. This logic error affects how verdict maps are handled during memory deletion and restoration processes. The flaw allows the reference counter of a chain to be decremented incorrectly, leading to a use-after-free...

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