CVE-2023-30440

7.9 highEPSS 0.2%

High (7.9) in ibm powervm hypervisor. EPSS 0.2% chance of exploitation in the next 30 days.

IBM PowerVM Hypervisor FW860.00 through FW860.B3, FW950.00 through FW950.70, FW1010.00 through FW1010.50, FW1020.00 through FW1020.30, and FW1030.00 through FW1030.10 could allow a local attacker with control a partition that has been assigned SRIOV virtual function (VF) to cause a denial of service to a peer partition or arbitrary data corruption. IBM X-Force ID: 253175.

Severity

CVSS 3.1

7.9 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2023-05-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ibm:powervm_hypervisor

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/253175
https://www.ibm.com/support/pages/node/6997133
https://exchange.xforce.ibmcloud.com/vulnerabilities/253175
https://www.ibm.com/support/pages/node/6997133

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