{"id":"CVE-2024-53241","state":"PUBLISHED","title":"x86/xen: don't do PV iret hypercall through hypercall page","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/xen: don't do PV iret hypercall through hypercall page\n\nInstead of jumping to the Xen hypercall page for doing the iret\nhypercall, directly code the required sequence in xen-asm.S.\n\nThis is done in preparation of no longer using hypercall page at all,\nas it has shown to cause problems with speculation mitigations.\n\nThis is part of XSA-466 / CVE-2024-53241.","publishedAt":"2024-12-24T09:24:42.212Z","updatedAt":"2026-05-11T20:53:35.106Z","severity":null,"assigner":"Linux","products":["Linux 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