CVE-2022-49611 (GCVE-0-2022-49611)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:23 – Updated: 2026-05-23 15:22
VLAI
Title
x86/speculation: Fill RSB on vmexit for IBRS
Summary
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.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b9cdaaf0a3becc52e8b4662fef28c452c4f009b4 , < 3d323b99ff5c8c57005184056d65f6af5b0479d8 (git)
Affected: 117cc7a908c83697b0b737d15ae1eb5943afe35b , < f744b88dfc201bf8092833ec70b23c720188b527 (git)
Affected: 117cc7a908c83697b0b737d15ae1eb5943afe35b , < 17a9fc4a7b91f8599223631bb6ae6416bc0de1c0 (git)
Affected: 117cc7a908c83697b0b737d15ae1eb5943afe35b , < 4d7f72b6e1bc630bec7e4cd51814bc2b092bf153 (git)
Affected: 117cc7a908c83697b0b737d15ae1eb5943afe35b , < 8d5cff499a6d740c91ff37963907e0e983c37f0f (git)
Affected: 117cc7a908c83697b0b737d15ae1eb5943afe35b , < 8c38306e2e9257af4af2819aa287a4711ff36329 (git)
Affected: 117cc7a908c83697b0b737d15ae1eb5943afe35b , < 9756bba28470722dacb79ffce554336dd1f6a6cd (git)
Affected: 68d1f7a3f1a35639a563bbad768d5df885b4ff05 (git)
Affected: 20e080e2752d108388d386ecc0b33d7797dfb18f (git)
Affected: eebc3f8adee0a6f43a4789ef0bf5c5b35de8cfe4 (git)
Affected: c1ddd99a029636e234a800f28790a60d6ac0318f (git)
Affected: 4.14.14 , < 4.14.297 (semver)
Affected: 3.2.101 , < 3.3 (semver)
Affected: 3.16.56 , < 3.17 (semver)
Affected: 4.4.113 , < 4.5 (semver)
Affected: 4.9.77 , < 4.10 (semver)
Create a notification for this product.
Linux Linux Affected: 4.15
Unaffected: 0 , < 4.15 (semver)
Unaffected: 4.14.297 , ≤ 4.14.* (semver)
Unaffected: 4.19.266 , ≤ 4.19.* (semver)
Unaffected: 5.4.217 , ≤ 5.4.* (semver)
Unaffected: 5.10.133 , ≤ 5.10.* (semver)
Unaffected: 5.15.57 , ≤ 5.15.* (semver)
Unaffected: 5.18.14 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.