{"id":"CVE-2026-93103","summary":"RDMA/hfi1: Preserve unit 0 on allocation failure","details":"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-\u003eunit. 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.","modified":"2026-09-19T03:47:22.823338835Z","published":"2026-09-17T16:11:15.105Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93103.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0feb29d434e6cc0ebefec4f77be014c85ad751b0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2e3809ad8911f5d5581b3f046bd628417bface76"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d0e5252b8d0345ef494763ca31e3ddd666e02cb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3f1e196eb66b8cd3882e373794d6cea46f150a20"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4204f5c0312ba136181a6e148ffa0bfaf95a4cc1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4ff9d58d34758e9633078b37e8d5289b513ff80e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/852637d3ee56aed8ea3ee8948eda21eca406c051"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fd4d3ad5f244a867166d1e2da7ece3d82878ec81"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93103.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93103"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"03b92789e5cfdac66805c1a98f1ec67336199d56"},{"fixed":"852637d3ee56aed8ea3ee8948eda21eca406c051"},{"fixed":"3d0e5252b8d0345ef494763ca31e3ddd666e02cb"},{"fixed":"0feb29d434e6cc0ebefec4f77be014c85ad751b0"},{"fixed":"3f1e196eb66b8cd3882e373794d6cea46f150a20"},{"fixed":"4ff9d58d34758e9633078b37e8d5289b513ff80e"},{"fixed":"fd4d3ad5f244a867166d1e2da7ece3d82878ec81"},{"fixed":"4204f5c0312ba136181a6e148ffa0bfaf95a4cc1"},{"fixed":"2e3809ad8911f5d5581b3f046bd628417bface76"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93103.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.0"},{"fixed":"5.10.270"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.221"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.188"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.157"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.110"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.52"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93103.json"}}],"schema_version":"1.9.0"}