CVE-2020-10767
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedSep 15, 2020
First seenSep 15, 2020
Weakness typeCWE-440CWE-440
How to fix
Update
- linux linux_kernel5.8.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.8.0 | 5.8.0 |
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