MEDIUM Published February 26, 2025

CVE-2022-49611

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.

CVSS base score

5.5 (v3.1)

Severity

MEDIUM

Attack vector

Local

Last modified

November 5, 2026

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

linux linux kernel

References

git.kernel.org Patch
git.kernel.org Patch
git.kernel.org Patch
git.kernel.org Patch
git.kernel.org Patch
git.kernel.org Patch
git.kernel.org Patch

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CVE-2022-49611

Affected products

References

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