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CVE-2026-17504— This Power System update is being released to address

Quick assessment

Affected
IBM PowerVM Hypervisor
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

IBM PowerVM Hypervisor FW1120.00 至 FW1120.01、FW1110.00 至 FW1110.31、FW1060.00 至 FW1060.81 以及 FW950.00 至 FW950.H3 版本受分区固件运行时（partition firmware runtime）中的一个漏洞影响。拥有分区 root 权限的攻击者可以发送精心构造的请求给分区固件运行时，导致其崩溃，并可能引发内存损坏。

CVSS 5.1 · Medium EPSS 0.10% · P1
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I. Basic Information for CVE-2026-17504

Vulnerability Information
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Vulnerability Title
This Power System update is being released to address
Source: CVE Program / CVE List V5
Vulnerability Description
IBM PowerVM Hypervisor FW1120.00 through FW1120.01, FW1110.00 through FW1110.31, FW1060.00 through FW1060.81, and FW950.00 through FW950.H3 is affected by a vulnerability in the partition firmware runtime. An attacker with root access to a partition can send a specially crafted request to the partition firmware runtime, causing it to crash with possible memory corruption.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数下溢(超界折返)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
IBM PowerVM Hypervisor FW1120.00 ~ FW1120.01 cpe:2.3:a:ibm:powervm_hypervisor:fw1120.00:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-17504

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-17504

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Vendor Advisories for CVE-2026-17504 (1)

Same Patch Batch · IBM · 2026-09-24 · 19 CVEs total

CVE-2026-81549 9.6 CRITICAL DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-82093 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-81552 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-81548 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-81547 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-81545 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-81539 8.8 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-77874 8.6 HIGH IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
CVE-2026-82094 7.1 HIGH DataStage on Cloud Pak for Data has several vulnerabilities
CVE-2026-6544 6.2 MEDIUM Multiple Vulnerabilities in IBM Concert Software
CVE-2026-17413 5.1 MEDIUM This Power System update is being released to address
CVE-2026-17503 5.1 MEDIUM This Power System update is being released to address
CVE-2026-77825 4.9 MEDIUM IBM ContextForge MCP Gateway is affected by path traversal
CVE-2026-18870 4.3 MEDIUM This Power System update is being released to address
CVE-2026-18857 3.4 LOW This Power System update is being released to address
CVE-2026-17511 3.4 LOW This Power System update is being released to address
CVE-2026-18104 3.3 LOW IBM Db2 Mirror for i is vulnerable to obtain sensitive information []
CVE-2026-19492 3.2 LOW This Power System update is being released to address

IV. Related Vulnerabilities

Same product: PowerVM Hypervisor
Same vendor: IBM
Same weakness: CWE-191

V. Comments for CVE-2026-17504

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