Security researchers have uncovered and weaponized a critical Use-After-Free vulnerability (CVE-2025-38001) in the Linux network packet scheduler’s HFSC queuing discipline, successfully compromising Google kernelCTF instances”, LTS, COS, and mitigation”, and fully updated Debian 12. By ingeniously combining HFSC’s real-time scheduling mode, NETEM’s packet duplication feature, and a throttled Token Bucket Filter (TBF) root queue, the attack transforms […] The post Researchers Use 0-Day to Exploit Google kernelCTF and Debian 12 appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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