vulnerability
New DirtyClone Linux Kernel Flaw Lets Local Users Gain Root via Cloned Packets
High
Summary
A new vulnerability, CVE-2026-43503, has been discovered in the Linux kernel related to the DirtyClone variant of the DirtyFrag family. This flaw allows local users to gain root access by exploiting a cloned network packet and corrupting memory. The vulnerability stems from a missing safety flag during internal kernel operations, and while a patch was released in May 2026, users are advised to update their kernels immediately to mitigate the risk.
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