SUSE CVE-2026-53360

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use As per the GHCB spec, when using GHCB v2+ require the software scratch area to reside in the GHCB's shared buffer. Note, things like Page State Change PSC requests rely...

CVE-2026-53360

The CVE-2026-53360 entry concerns a Linux kernel KVM/SEV issue: if GHCB v2+ is used, in-GHCB scratch area must reside in the shared buffer. The root cause is a bounds check flaw in snp_begin_psc() where idx_end is validated against VMGEXIT_PSC_MAX_COUNT (253) but not against the actual buffer siz...