Vulnerability identifier: #VU47075
Vulnerability risk: Low
Exploitation vector: Local
Exploit availability: No
Vendor: Linux Foundation
The vulnerability allows a local user to gain access to sensitive information.
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 user to perform a Spectre
V2 style attack when this configuration is active.
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 5.0 - 5.7.7
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?