{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93104","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-17T16:02:15.085Z","datePublished":"2026-09-17T16:11:15.760Z","dateUpdated":"2026-09-17T16:11:15.760Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:11:15.760Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rvt: Return NULL after port allocation failure\n\nrvt_alloc_device() deallocates the IB device when its port array cannot\nbe allocated but then returns the pointer to the released allocation.\nCallers treat any non-NULL value as valid and dereference it, resulting\nin a use-after-free.\n\nReturn NULL immediately after deallocation so callers can propagate the\nallocation failure."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/sw/rdmavt/vt.c"],"versions":[{"version":"ff6acd69518e0a84bd9c9b7f1bd4313f7076db97","lessThan":"b1e1b25723af44328524c7b54433e4bf0ab9930c","status":"affected","versionType":"git"},{"version":"ff6acd69518e0a84bd9c9b7f1bd4313f7076db97","lessThan":"2982eaf3b9d2d953318c74cd6f1b7576ea6d7b1f","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/sw/rdmavt/vt.c"],"versions":[{"version":"4.6","status":"affected"},{"version":"0","lessThan":"4.6","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":"4.6","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b1e1b25723af44328524c7b54433e4bf0ab9930c"},{"url":"https://git.kernel.org/stable/c/2982eaf3b9d2d953318c74cd6f1b7576ea6d7b1f"}],"title":"RDMA/rvt: Return NULL after port allocation failure","x_generator":{"engine":"bippy-1.2.0"}}}}