CVE-2026-42488 x86: mismatched mapcache metadata

Some shadow paging errors paths will switch the page-tables without updating the currently running vCPU reference. This causes a mismatch between the loaded page-tables and the mapcache metadata which can lead to corruption of the mapcache...

EUVD-2026-37891

Some shadow paging errors paths will switch the page-tables without updating the currently running vCPU reference. This causes a mismatch between the loaded page-tables and the mapcache metadata which can lead to corruption of the mapcache...

PT-2025-49072

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw on nios2 systems where the memblock.current limit is not properly initialized when CONFIG FLATMEM is enabled. This can lead to max low pfn exceeding the...