IT

Tracker / CVE-2022-49611

CVE-2022-49611

Medium 5.5

In the Linux kernel, the following vulnerability has been resolved: x86/speculation: Fill RSB on vmexit for IBRS Prevent RSB underflow/poisoning attacks with RSB. While at it, add a bunch of comments to attempt to document the current state of tribal knowledge about RSB attacks and what exactly is being mitigated.

Affected products and versions

linux linux_kernel
linux linux_kernel · … → 4.14.297
linux linux_kernel · 4.15 → 4.19.266
linux linux_kernel · 4.20 → 5.4.217
linux linux_kernel · 5.11 → 5.15.57
linux linux_kernel · 5.16 → 5.18.14
linux linux_kernel · 5.5 → 5.10.133

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References