{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93103","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-17T16:02:15.085Z","datePublished":"2026-09-17T16:11:15.105Z","dateUpdated":"2026-09-17T16:11:15.105Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:11:15.105Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/hfi1/init.c"],"versions":[{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"852637d3ee56aed8ea3ee8948eda21eca406c051","status":"affected","versionType":"git"},{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"3d0e5252b8d0345ef494763ca31e3ddd666e02cb","status":"affected","versionType":"git"},{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"0feb29d434e6cc0ebefec4f77be014c85ad751b0","status":"affected","versionType":"git"},{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"3f1e196eb66b8cd3882e373794d6cea46f150a20","status":"affected","versionType":"git"},{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"4ff9d58d34758e9633078b37e8d5289b513ff80e","status":"affected","versionType":"git"},{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"fd4d3ad5f244a867166d1e2da7ece3d82878ec81","status":"affected","versionType":"git"},{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"4204f5c0312ba136181a6e148ffa0bfaf95a4cc1","status":"affected","versionType":"git"},{"version":"03b92789e5cfdac66805c1a98f1ec67336199d56","lessThan":"2e3809ad8911f5d5581b3f046bd628417bface76","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/hfi1/init.c"],"versions":[{"version":"5.2","status":"affected"},{"version":"0","lessThan":"5.2","status":"unaffected","versionType":"semver"},{"version":"5.10.270","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.221","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.188","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.157","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/852637d3ee56aed8ea3ee8948eda21eca406c051"},{"url":"https://git.kernel.org/stable/c/3d0e5252b8d0345ef494763ca31e3ddd666e02cb"},{"url":"https://git.kernel.org/stable/c/0feb29d434e6cc0ebefec4f77be014c85ad751b0"},{"url":"https://git.kernel.org/stable/c/3f1e196eb66b8cd3882e373794d6cea46f150a20"},{"url":"https://git.kernel.org/stable/c/4ff9d58d34758e9633078b37e8d5289b513ff80e"},{"url":"https://git.kernel.org/stable/c/fd4d3ad5f244a867166d1e2da7ece3d82878ec81"},{"url":"https://git.kernel.org/stable/c/4204f5c0312ba136181a6e148ffa0bfaf95a4cc1"},{"url":"https://git.kernel.org/stable/c/2e3809ad8911f5d5581b3f046bd628417bface76"}],"title":"RDMA/hfi1: Preserve unit 0 on allocation failure","x_generator":{"engine":"bippy-1.2.0"}}}}