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Linux Patched For Unsafe Xen Behavior Around CPU Speculative Attack Protections


Merged today to the Linux kernel are fixes for two vulnerabilities with the Xen hypervisor

The other more pressing issue addressed is a Xen hypercall page being unsafe against speculative CPU attacks. This merge to the Git codebase for Linux 6.13 and to be back-ported to existing stable and affected series takes care of fixing the two vulnerabilities. XSA-465 is the the ticket tracking the Xen netfront crash while XSA-466 is for the disclosure around speculation mitigations not necessarily being correctly handled.

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