CVE-2025-38560 x86/sev: Evict cache lines during SNP memory validation

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Evict cache lines during SNP memory validation An SNP cache coherency vulnerability requires a cache line eviction mitigation when validating memory after a page state change to private. The specific mitigation is to tou...

libvirt security update

5.0.0-9.el7 - qemu: remove cpuhostmask and cpuguestmask from virCaps structure Wim ten Have Orabug: 29956508 5.0.0-8.el7 - api: disallow virDomainSaveImageGetXMLDesc on read-only connections Jan Tomko Orabug: 29955742 CVE-2019-10161 - domain: Define explicit flags for saved image xml Eric Blake...

Fedora 30 : 2:qemu / libvirt (2019-f910d35647) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

Define md-clear CPUID bit. Assuming an updated host kernel and microcode, the md-clear bit will be automatically exposed to guests using the QEMU '-cpu host' arg, or libvirt 'host-model' or 'host-passthrough' configurations. Guests using a named CPU model it must be manually updated to add this...