CVE-2023-30438

IBM PowerVM gain access

HIGH

8.8

CVSS Score

Published: May 17, 2023 at 12:48 PM UTC

Updated: June 17, 2026 at 05:54 AM UTC

17 products affected across 1 vendorPowerVM HypervisorPower System S922Power System H922

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Severity

HIGH8.8

Exploit prediction

EPSS 0.2%

SSVC

No known exploit

Description

An internally discovered vulnerability in PowerVM on IBM Power9 and Power10 systems could allow an attacker with privileged user access to a logical partition to perform an undetected violation of the isolation between logical partitions which could lead to data leakage or the execution of arbitrary code in other logical partitions on the same physical server. IBM X-Force ID: 252706.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PowerVM Hypervisor · IBM

95%

FW1010.00 ≤ v ≤ FW1010.50FW1020.00 ≤ v ≤ FW1020.30FW1030.00 ≤ v ≤ FW1030.10FW950.00 ≤ v ≤ FW950.70fw1010.00 ≤ v < fw1010.51fw1020.00 ≤ v < fw1020.31fw1030.00 ≤ v < fw1030.11fw950 ≤ v < fw950.71FW1010.00 FW1020.00 FW1030.00 FW950.00

Affected range stops below fw1010.51, so it looks safe — our inference, not a vendor statement

Affected range stops below fw1020.31, so it looks safe — our inference, not a vendor statement

Affected range stops below fw1030.11, so it looks safe — our inference, not a vendor statement

Affected range stops below fw950.71, so it looks safe — our inference, not a vendor statement

ibm-power-system-e1050 (environment) · ibm-power-system-e1080 (environment) · ibm-power-system-e950 (environment) · ibm-power-system-e980 (environment) · ibm-power-system-h922 (environment) · ibm-power-system-h924 (environment) · ibm-power-system-l1022 (environment) · ibm-power-system-l1024 (environment) · ibm-power-system-l922 (environment) · ibm-power-system-s1014 (environment) · ibm-power-system-s1022 (environment) · ibm-power-system-s1022s (environment) · ibm-power-system-s1024 (environment) · ibm-power-system-s914 (environment) · ibm-power-system-s922 (environment) · ibm-power-system-s924 (environment)

Power System E1050 · IBMdevice

80%

All versions

Power System E1080 · IBMdevice

80%

All versions

Power System E950 · IBMdevice

80%

All versions

Power System E980 · IBMdevice

80%

All versions