Published: 21 March 2023
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.
hypervisor packages are in universe. For issues in the hypervisor, add appropriate tags to each section, ex: Tags_xen: universe-binary
Launchpad, Ubuntu, Debian
(end of life, was needs-triage)
(end of standard support)
|Binaries built from this source package are in Universe and so are supported by the community.|
Severity score breakdown