CVE-2023-30440
IBM PowerVM Hypervisor denial of service
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM PowerVM Hypervisor denial of service
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.
- Record
CVE-2023-30440- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2023-34858
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.
- Record
EUVD-2023-34858- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g7gv-6gqh-4hfg
IBM PowerVM Hypervisor FW860.00 through FW860.B3, FW950.00 through FW950.70, FW1010.00 through...
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.
- Record
GHSA-g7gv-6gqh-4hfg- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-30440- CVSS 3.1
- 6.7 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H - 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 - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-30440 is a medium vulnerability (CVSS 6.7) in Ibm Powervm Hypervisor, published May 23, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. No source names a fixed version.