A flaw was found in the Linux kernel before 5.8-rc1 in the implementation of the Enhanced IBPB (Indirect Branch Prediction Barrier). The IBPB mitigation will be disabled when STIBP is not available or when the Enhanced Indirect Branch Restricted Speculation (IBRS) is available. This flaw allows a local attacker to perform a Spectre V2 style attack when this configuration is active. The highest threat from this vulnerability is to confidentiality.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2020-09-15T22:14:41

Updated: 2024-08-04T11:14:15.591Z

Reserved: 2020-03-20T00:00:00

Link: CVE-2020-10767

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-09-15T23:15:12.223

Modified: 2023-11-07T03:14:22.157

Link: CVE-2020-10767

cve-icon Redhat

Severity : Important

Publid Date: 2020-06-09T14:00:00Z

Links: CVE-2020-10767 - Bugzilla