A logic bug flaw was found in Linux kernel before 5.8-rc1 in the implementation of SSBD. A bug in the logic handling allows an attacker with a local account to disable SSBD protection during a context switch when additional speculative execution mitigations are in place. This issue was introduced when the per task/process conditional STIPB switching was added on top of the existing SSBD switching. The highest threat from this vulnerability is to confidentiality.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2020-09-15T22:10:27

Updated: 2024-08-04T11:14:15.011Z

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

Link: CVE-2020-10766

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-09-15T23:15:12.143

Modified: 2023-11-07T03:14:21.980

Link: CVE-2020-10766

cve-icon Redhat

Severity : Important

Publid Date: 2020-06-09T17:00:00Z

Links: CVE-2020-10766 - Bugzilla