New Critical Linux Vulnerability Enables Root Privilege Escalation
A new Linux kernel vulnerability, CVE-2026-46331, allows attackers to gain root access by poisoning memory-cached system binaries. The flaw exploits the traffic control subsystem and is particularly dangerous because it leaves no trace on the physical disk.
Why it matters
This vulnerability poses a severe security risk to enterprise servers and cloud infrastructure, as it bypasses traditional file integrity monitoring tools.
A newly disclosed Linux kernel vulnerability, dubbed pedit COW , is giving threat actors a fast path to root access by silently poisoning cached system binaries in memory without modifying the files stored on disk.
The report is a technical summary of a cybersecurity vulnerability based on disclosed CVE data.
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