IBM PowerVM Hypervisor denial of service
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | PowerVM Hypervisor | FW860.00 – FW860.B3; FW950.00 – FW950.70; FW1010.00 – FW1010.50; FW1020.00 – FW1020.30; FW1030.00 – FW1030.10 | — | No fix listed | CNA |
- PowerVM Hypervisor VendorIBM Affected FW860.00 – FW860.B3; FW950.00 – FW950.70; FW1010.00 – FW1010.50; FW1020.00 – FW1020.30; FW1030.00 – FW1030.10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-30440
- 2026-10-03 Alias added: GHSA-g7gv-6gqh-4hfg
References
More IBM Powervm Hypervisor vulnerabilities
- TI-2022-15241 IBM Power FW security bypass CVSS 3.1CRITICAL 9.8
- TI-2023-14280 IBM PowerVM gain access CVSS 3.1CRITICAL 9.3
- TI-2021-16362 IBM PowerVM Hypervisor FW860, FW940, and FW950 could allow an attacker that gains service… CVSS 3.1CRITICAL 9.1
- TI-2021-16363 IBM PowerVM Hypervisor FW860, FW940, FW950, and FW1010, through a specific sequence of VM… CVSS 3.1HIGH 7.5
- TI-2023-10961 IBM PowerVM Hypervisor information disclosure CVSS 3.1HIGH 7.5
- TI-2021-16379 IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2023-30440 · CVE Program
- CVE-2023-30440 · NVD
- FIRST EPSS
- GHSA-g7gv-6gqh-4hfg · GitHub Advisory Database · CC BY 4.0
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