SUSE CVE-2024-56761

In the Linux kernel, the following vulnerability has been resolved: x86/fred: Clear WFE in missing-ENDBRANCH CPs An indirect branch instruction sets the CPU indirect branch tracker IBT into WAITFORENDBRANCH WFE state and WFE stays asserted across the instruction boundary. When the decoder finds a...

CVE-2024-56761

The CVE-2024-56761 issue affects the Linux kernel’s x86/fred handling of WFE state during missing-ENDBRANCH #CPs. Indirect branches can set IBT to WAIT_FOR_ENDBRANCH, leaving WFE asserted across the boundary. When an inappropriate instruction is decoded with WFE set, a #CP fault can occur. The ad...