{"id":"CVE-2023-30440","aliases":["EUVD-2023-34858","GHSA-g7gv-6gqh-4hfg"],"status":"published","title":"IBM PowerVM Hypervisor denial of service","description":"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":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00184,"percentile":0.08027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-05-23T13:20:41Z","modified":"2026-06-17T05:54:42Z","products":[{"vendor":"ibm","product":"powervm hypervisor"},{"vendor":"ibm","product":"powervm_hypervisor"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6997133","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/253175","tags":["vdb-entry","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30440"},{"url":"https://github.com/advisories/GHSA-g7gv-6gqh-4hfg"}],"sources":{"cve":[{"id":"CVE-2023-30440","title":"IBM PowerVM Hypervisor denial of service","description":"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.","status":"published","published":"2023-05-23T13:20:41.163Z","modified":"2025-01-17T17:46:27.182Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-34858","description":"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.","status":"published","published":"2023-05-23T13:20:41Z","modified":"2025-01-17T17:46:27Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:16.564106Z"}],"ghsa":[{"id":"GHSA-g7gv-6gqh-4hfg","title":"IBM PowerVM Hypervisor FW860.00 through FW860.B3, FW950.00 through FW950.70, FW1010.00 through...","description":"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.","status":"published","published":"2023-05-23T15:30:30Z","modified":"2024-04-04T04:18:47Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:56:22.887174Z"}],"nvd":[{"id":"CVE-2023-30440","description":"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.","status":"published","published":"2023-05-23T14:15:09.733Z","modified":"2026-06-17T05:54:42.22Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:08:03.200773Z"}]}}