Database/Kernel, userspace & hypervisor

Xen (x86 PV): Insufficient care with non-coherent mappings - PV guest to host compromise
CVE-2022-26363Kernel, userspace & hypervisorXSA-402curated
Impact
Insufficient care with non-coherent mappings - PV guest to host compromise
Who can reach it
Tenant VM guest (PV)
What to do
Hypervisor patch; livepatchable via Xen livepatch, otherwise host reboot + guest evacuation
References
This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.