{"id":"CVE-2026-98426","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path\n\nmwifiex_pcie_request_irq() registers each MSI-X vector with a per-index\ndev_id (&card->msix_ctx[i])","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path\n\nmwifiex_pcie_request_irq() registers each MSI-X vector with a per-index\ndev_id (&card->msix_ctx[i]). …","severity":"none","published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T14:17:54.220","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98426","references":[{"url":"https://git.kernel.org/stable/c/03d5e4776e8b71c2468c5c3c48b39202c87a8796","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0969c9688389f2e0f65b1a924b0dd6625a3bb776","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/11bc2cbb14f450eaa47cce9eb086f948ef8f4bcd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1a60cb2292194cc9eafae7ca8a8a72d37ae78d97","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2761b21cb896b1da8dd46cee5084c9032b2d7098","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5fd4cc87e6cc0839aac89c24ebe39ce262fe088f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a3d722190cdef18da4878b5efc27c3c386dda248","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fcac5813f324cd07dfd36b4adf624fc70f7587d6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"ingestedAt":"2026-10-14T15:36:13.990Z","slug":"CVE-2026-98426","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path\n\nmwifiex_pcie_request_irq() registers each MSI-X vector with a per-index\ndev_id (&card->msix_ctx[i]). On a request_irq() failure the cleanup loop\n\"for (j = 0; j < i; j++)\" frees msix_entries[j].vector but passes the\nfailed index's &card->msix_ctx[i] as the dev_id. free_irq() matches on\n(irq, dev_id), so it fails to find the action registered with\n&card->msix_ctx[j]: the already-requested IRQ j is not freed (leaked) and\nfree_irq() warns about freeing a non-existent IRQ. Use &card->msix_ctx[j].\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":[]}