{"id":"CVE-2026-97983","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nvduse: return compat ioctl results directly\n\nThe compat handler handles VDUSE_IOTLB_GET_FD and VDUSE_VQ_GET_INFO, but\nthen calls the native handler","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nvduse: return compat ioctl results directly\n\nThe compat handler handles VDUSE_IOTLB_GET_FD and VDUSE_VQ_GET_INFO, but\nthen calls the native handler. Their different com…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 455a2a1af92651764e9eb42cec0d95ac142afc28 < 135ac58097fa5fc707bf392c5cececf59e4080c0","Linux >= 455a2a1af92651764e9eb42cec0d95ac142afc28 < 48a4ee65e677559776349128e6a81a6041986c99","Linux 7dd28904c42ee3b0728c0692dd3332c2c83e8f33","Linux >= 7.1.5 < 7.2","Linux 7.2"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T11:17:26.340","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97983","references":[{"url":"https://git.kernel.org/stable/c/135ac58097fa5fc707bf392c5cececf59e4080c0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/48a4ee65e677559776349128e6a81a6041986c99","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-25T11:06:38.867Z","slug":"CVE-2026-97983","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nvduse: return compat ioctl results directly\n\nThe compat handler handles VDUSE_IOTLB_GET_FD and VDUSE_VQ_GET_INFO, but\nthen calls the native handler. Their different command sizes make native\ndispatch return -ENOIOCTLCMD.\n\nFor GET_FD, this overwrites receive_fd()'s return value after the\ndescriptor is installed, leaking one fd per call. Return handled compat\nresults directly and use native dispatch only for other commands.\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":[]}