{"id":"CVE-2026-93103","revision":"d9f43db3e41f4985a227087f10aded1d","records":[{"revision":"d9f43db3e41f4985a227087f10aded1d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93103","aliases":[],"title":"RDMA/hfi1: Preserve unit 0 on allocation failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hfi1: Preserve unit 0 on allocation failure\n\nhfi1_free_devdata() assumes that the device was inserted into the unit\ntable and unconditionally erases dd->unit. If xa_alloc_irq() fails, the\nzero-initialized unit remains zero, so full cleanup can remove an\nunrelated device from index 0.\n\nRelease only the rdmavt allocation and return immediately while the unit\ntable has not acquired the device.","state":0,"publishedAt":"2026-09-17T16:11:15.105+00:00","modifiedAt":"2026-10-19T09:05:36.156+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/hfi1/init.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"852637d3ee56aed8ea3ee8948eda21eca406c051\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"3d0e5252b8d0345ef494763ca31e3ddd666e02cb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"0feb29d434e6cc0ebefec4f77be014c85ad751b0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"3f1e196eb66b8cd3882e373794d6cea46f150a20\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"4ff9d58d34758e9633078b37e8d5289b513ff80e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"fd4d3ad5f244a867166d1e2da7ece3d82878ec81\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"4204f5c0312ba136181a6e148ffa0bfaf95a4cc1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"03b92789e5cfdac66805c1a98f1ec67336199d56\",\n                            \"lessThan\": \"2e3809ad8911f5d5581b3f046bd628417bface76\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/infiniband/hw/hfi1/init.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.270\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.221\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.52\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/852637d3ee56aed8ea3ee8948eda21eca406c051","https://git.kernel.org/stable/c/3d0e5252b8d0345ef494763ca31e3ddd666e02cb","https://git.kernel.org/stable/c/0feb29d434e6cc0ebefec4f77be014c85ad751b0","https://git.kernel.org/stable/c/3f1e196eb66b8cd3882e373794d6cea46f150a20","https://git.kernel.org/stable/c/4ff9d58d34758e9633078b37e8d5289b513ff80e","https://git.kernel.org/stable/c/fd4d3ad5f244a867166d1e2da7ece3d82878ec81","https://git.kernel.org/stable/c/4204f5c0312ba136181a6e148ffa0bfaf95a4cc1","https://git.kernel.org/stable/c/2e3809ad8911f5d5581b3f046bd628417bface76"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93103","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93103","identifiers":["CVE-2026-93103"]},"retained":false,"historicalAffected":[]}],"coverage":[]}