CVE-2023-30440 json
IBM PowerVM Hypervisor denial of service
published 2023-05-23 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-34858
- cvss
- 6.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 8%
- public exploits
- 0
- none known
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 21 mo ago
Exploit prediction
0.18% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H |
| NVD | 3.1 | 7.9 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H |
Affected products
- IBM PowerVM Hypervisor
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
ibm.com
/support/pages/node/6997133
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/253175
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2023-30440
- NVD CVE-2023-30440
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.