发布于3月6日3月6日 Members Gentoo Linux: CVE-2022-42331: Xen: Multiple Vulnerabilities Severity 5 CVSS (AV:L/AC:L/Au:S/C:C/I:N/A:N) Published 03/21/2023 Created 02/06/2024 Added 02/05/2024 Modified 01/28/2025 Description x86: speculative vulnerability in 32bit SYSCALL path Due to an oversight in the very original Spectre/Meltdown security work (XSA-254), one entrypath performs its speculation-safety actions too late. In some configurations, there is an unprotected RET instruction which can be attacked with a variety of speculative attacks. Solution(s) gentoo-linux-upgrade-app-emulation-xen References https://attackerkb.com/topics/cve-2022-42331 CVE - 2022-42331 202402-07