CVE-2026-64172: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Disable AVIC IPI virtualization on Hygon Family 18h erratum 1235 Hygon Family 18h CPUs are derived from AMD Family 17h Zen1 silicon and share the same erratum 1235: hardware may read a stale IsRunning=1 bit during ICR...

Fedora 38 : xen (2023-8334fe0ecb)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-8334fe0ecb advisory. Mishandling of guest SSBD selection on AMD hardware XSA-431, CVE-2022-42336 Tenable has extracted the preceding description block directly from the...

Buffer overflow

Mishandling of guest SSBD selection on AMD hardware The current logic to set SSBD on AMD Family 17h and Hygon Family 18h processors requires that the setting of SSBD is coordinated at a core level, as the setting is shared between threads. Logic was introduced to keep track of how many threads...