Riskcovery

CVE-2022-49611

x86/speculation: Fill RSB on vmexit for IBRS

State
Published
Severity
Not scored
Published
Feb 26, 2025
Updated
May 23, 2026
Reserved
Feb 26, 2025

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • b9cdaaf0a3becc52e8b4662fef28c452c4f009b4 to before 3d323b99ff5c8c57005184056d65f6af5b0479d8Affected
  • 117cc7a908c83697b0b737d15ae1eb5943afe35b to before f744b88dfc201bf8092833ec70b23c720188b527Affected
  • 117cc7a908c83697b0b737d15ae1eb5943afe35b to before 17a9fc4a7b91f8599223631bb6ae6416bc0de1c0Affected
  • 117cc7a908c83697b0b737d15ae1eb5943afe35b to before 4d7f72b6e1bc630bec7e4cd51814bc2b092bf153Affected
  • 117cc7a908c83697b0b737d15ae1eb5943afe35b to before 8d5cff499a6d740c91ff37963907e0e983c37f0fAffected
  • 117cc7a908c83697b0b737d15ae1eb5943afe35b to before 8c38306e2e9257af4af2819aa287a4711ff36329Affected
  • 117cc7a908c83697b0b737d15ae1eb5943afe35b to before 9756bba28470722dacb79ffce554336dd1f6a6cdAffected
  • 68d1f7a3f1a35639a563bbad768d5df885b4ff05Affected
  • 20e080e2752d108388d386ecc0b33d7797dfb18fAffected
  • eebc3f8adee0a6f43a4789ef0bf5c5b35de8cfe4Affected
  • c1ddd99a029636e234a800f28790a60d6ac0318fAffected
  • 4.14.14 to before 4.14.297Affected
  • 3.2.101 to before 3.3Affected
  • 3.16.56 to before 3.17Affected
  • 4.4.113 to before 4.5Affected
  • 4.9.77 to before 4.10Affected
LinuxLinux
  • 4.15Affected
  • before 4.15Not affected
  • 4.14.297 through 4.14.*Not affected
  • 4.19.266 through 4.19.*Not affected
  • 5.4.217 through 5.4.*Not affected
  • 5.10.133 through 5.10.*Not affected
  • 5.15.57 through 5.15.*Not affected
  • 5.18.14 through 5.18.*Not affected
  • 5.19 and laterNot affected

References

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