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CVE-2022-49611

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CVE-2022-49611

Published: Feb 26, 2025

Modified: May 23, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
b9cdaaf0a3becc52e8b4662fef28c452c4f009b4 - < 3d323b99ff5c8c57005184056d65f6af5b0479d8
affected
117cc7a908c83697b0b737d15ae1eb5943afe35b - < f744b88dfc201bf8092833ec70b23c720188b527
affected
117cc7a908c83697b0b737d15ae1eb5943afe35b - < 17a9fc4a7b91f8599223631bb6ae6416bc0de1c0
affected
117cc7a908c83697b0b737d15ae1eb5943afe35b - < 4d7f72b6e1bc630bec7e4cd51814bc2b092bf153
affected
117cc7a908c83697b0b737d15ae1eb5943afe35b - < 8d5cff499a6d740c91ff37963907e0e983c37f0f

+11 more versions

Linux

Linux

affected
4.15
unaffected
0 - < 4.15
unaffected
4.14.297 - <= 4.14.*
unaffected
4.19.266 - <= 4.19.*
unaffected
5.4.217 - <= 5.4.*

+4 more versions

References

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