CVE-2022-27672 – kernel: AMD: Cross-Thread Return Address Predictions

https://notcve.org/view.php?id=CVE-2022-27672

14 Feb 2023 — When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure. A flaw was found in HW. When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch, potentially resulting in information disclosure. When SMT is enabled, certain AMD processors may speculatively execute instructions using a targ... • https://security.gentoo.org/glsa/202402-07 •