FKIE_CVE-2026-19492

Vulnerability from fkie_nvd - Published: 2026-09-24 15:17 - Updated: 2026-09-30 15:40
Summary
IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in a hypervisor call interface. An attacker with root access to a guest partition can read a limited amount of hypervisor memory, potentially exposing sensitive data belonging to the hypervisor or other guest partitions hosted on the same system, resulting in a confidentiality impact. The attacker has no control over which memory contents are returned. This vulnerability is of particular concern in multi-tenant environments where guests may run arbitrary OS images.
References
Impacted products
Vendor Product Version
ibm power_system_s1122_\(9824-22a\)_firmware *
ibm power_system_s1122_\(9824-22a\)_firmware *
ibm power_system_s1122_\(9824-22a\) -
ibm power_system_s1124_\(9824-42a\)_firmware *
ibm power_system_s1124_\(9824-42a\)_firmware *
ibm power_system_s1124_\(9824-42a\) -
ibm power_system_s1122s_\(9824-22b\)_firmware *
ibm power_system_s1122s_\(9824-22b\)_firmware *
ibm power_system_s1122s_\(9824-22b\) -
ibm power_system_s1114_\(9824-41b\)_firmware *
ibm power_system_s1114_\(9824-41b\)_firmware *
ibm power_system_s1114_\(9824-41b\) -
ibm power_system_l1122_\(9856-22h\)_firmware *
ibm power_system_l1122_\(9856-22h\)_firmware *
ibm power_system_l1122_\(9856-22h\) -
ibm power_system_l1124_\(9856-42h\)_firmware *
ibm power_system_l1124_\(9856-42h\)_firmware *
ibm power_system_l1124_\(9856-42h\) -
ibm power_system_e1150_\(9043-mru\)_firmware *
ibm power_system_e1150_\(9043-mru\)_firmware *
ibm power_system_e1150_\(9043-mru\) -
ibm power_system_s1112_\(9242-21b\)_firmware *
ibm power_system_s1112_\(9242-21b\) -
ibm power_system_s1112_\(9242-21t\)_firmware *
ibm power_system_s1112_\(9242-21t\) -
ibm power_system_e1080_\(9080-hex\)_firmware *
ibm power_system_e1080_\(9080-hex\) -
ibm power_system_s1022_\(9105-22a\)_firmware *
ibm power_system_s1022_\(9105-22a\) -
ibm power_system_s1024_\(9105-42a\)_firmware *
ibm power_system_s1024_\(9105-42a\) -
ibm power_system_s1022s_\(9105-22b\)_firmware *
ibm power_system_s1022s_\(9105-22b\) -
ibm power_system_s1014_\(9105-41b\)_firmware *
ibm power_system_s1014_\(9105-41b\) -
ibm power_system_l1022_\(9786-22h\)_firmware *
ibm power_system_l1022_\(9786-22h\) -
ibm power_system_l1024_\(9786-42h\)_firmware *
ibm power_system_l1024_\(9786-42h\) -
ibm power_system_e1050_\(9043-mrx\)_firmware *
ibm power_system_e1050_\(9043-mrx\) -
ibm power_system_s1012_\(9028-21b\)_firmware *
ibm power_system_s1012_\(9028-21b\) -
ibm power_system_e1180_\(9080-heu\)_firmware *
ibm power_system_e1180_\(9080-heu\)_firmware *
ibm power_system_e1180_\(9080-heu\) -

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          "product": "PowerVM Hypervisor",
          "vendor": "IBM",
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      "value": "IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, and FW1060.00 through FW1060.81 is affected by a vulnerability in a hypervisor call interface. An attacker with root access to a guest partition can read a limited amount of hypervisor memory, potentially exposing sensitive data belonging to the hypervisor or other guest partitions hosted on the same system, resulting in a confidentiality impact. The attacker has no control over which memory contents are returned. This vulnerability is of particular concern in multi-tenant environments where guests may run arbitrary OS images."
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  "id": "CVE-2026-19492",
  "lastModified": "2026-09-30T15:40:51.593",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N",
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          "role": "CISA Coordinator",
          "timestamp": "2026-09-24T14:50:45.611946Z",
          "version": "2.0.3"
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  "published": "2026-09-24T15:17:20.553",
  "references": [
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      "source": "psirt@us.ibm.com",
      "tags": [
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        "Vendor Advisory"
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      "url": "https://www.ibm.com/support/pages/node/7289137"
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  "vulnStatus": "Analyzed",
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}



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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.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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