{"id":"CVE-2026-97440","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix node refcount leak on ctrl packet alloc failure\n\nqrtr_send_resume_tx() calls qrtr_node_lookup() which takes a\nreference on the returned node","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix node refcount leak on ctrl packet alloc failure\n\nqrtr_send_resume_tx() calls qrtr_node_lookup() which takes a\nreference on the returned node. If the subs…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 477353db343663d5502ca442c6de785d2f23f273","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9d969c98732a4d42212ec580dd5bbad53f246103","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3b09ff54114566864eea59020f6b69c5bb325b9d","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-09-24","updated":"2026-09-25","sourceUpdated":"2026-09-25T13:17:27.680","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-97440","references":[{"url":"https://git.kernel.org/stable/c/3b09ff54114566864eea59020f6b69c5bb325b9d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/477353db343663d5502ca442c6de785d2f23f273","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9d969c98732a4d42212ec580dd5bbad53f246103","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T16:47:15.878Z","slug":"CVE-2026-97440","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: fix node refcount leak on ctrl packet alloc failure\n\nqrtr_send_resume_tx() calls qrtr_node_lookup() which takes a\nreference on the returned node. If the subsequent call to\nqrtr_alloc_ctrl_packet() fails due to memory allocation failure, the\nfunction returns -ENOMEM without calling qrtr_node_release() to\nrelease the node reference.\n\nAdd qrtr_node_release(node) before returning on the allocation failure\npath to properly release the reference.\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":[]}