{"id":"CVE-2026-93104","title":"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 t…","summary":"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 t…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ff6acd69518e0a84bd9c9b7f1bd4313f7076db97 < b1e1b25723af44328524c7b54433e4bf0ab9930c","Linux >= ff6acd69518e0a84bd9c9b7f1bd4313f7076db97 < 2982eaf3b9d2d953318c74cd6f1b7576ea6d7b1f","Linux 4.6"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:18:04.740","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93104","references":[{"url":"https://git.kernel.org/stable/c/2982eaf3b9d2d953318c74cd6f1b7576ea6d7b1f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b1e1b25723af44328524c7b54433e4bf0ab9930c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.755Z","epss":0.00155,"epssPercentile":0.05074,"slug":"CVE-2026-93104","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}