The vulnerability of the Branch Target Buffer (BTB) and Indirect Branch Predictor (IBP) components of Intel microprogramming devices allows attackers to disclose protected information.

The vulnerabilities of the Branch Target Buffer BTB and Indirect Branch Predictor IBP in Intel microprogramming devices stem from the state of the race within the pipeline. Exploiting these vulnerabilities can allow attackers to disclose protected information by executing specially crafted...

SUSE CVE-2023-0045

The current implementation of the prctl syscall does not issue an IBPB immediately during the syscall. The ibprctlset function updates the Thread Information Flags TIFs for the task and updates the SPECCTRL MSR on the function speculationctrlupdate, but the IBPB is only issued on the next schedul...

OESA-2023-1143 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: The Linux kernel does not correctly mitigate SMT attacks, as discovered through a strange pattern in the kernel API using STIBP as a mitigation1 https://docs.kernel.org/userspace-api/specctrl.html, leaving the process exposed for...

PT-2018-1002

Name of the Vulnerable Software and Affected Versions Intel processors affected versions not specified ARM processors affected versions not specified AMD processors affected versions not specified Description The issue is related to the speculative execution and indirect branch prediction...