{"id":"CVE-2026-93796","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: pcie: null RX pointers after free\n\nWhen iwl_pcie_tx_init() fails after RX init, nic init unwinds via\niwl_pcie_rx_free().\n\nThe freed RX members stayed non…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: pcie: null RX pointers after free\n\nWhen iwl_pcie_tx_init() fails after RX init, nic init unwinds via\niwl_pcie_rx_free().\n\nThe freed RX members stayed non…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6ec5bf430cf7466cb412e47f2761594092781fac","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3456c5bcc987aeb182e50e30c9b02be8420e9953","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2c79d7a7b583050c9f58041465cb46fe3483ab5d","Linux < 6.12.111","Linux < 6.18.53","Linux (all versions)"],"published":"2026-09-24","updated":"2026-09-25","sourceUpdated":"2026-09-25T13:17:20.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93796","references":[{"url":"https://git.kernel.org/stable/c/2c79d7a7b583050c9f58041465cb46fe3483ab5d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3456c5bcc987aeb182e50e30c9b02be8420e9953","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6ec5bf430cf7466cb412e47f2761594092781fac","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T16:47:15.900Z","slug":"CVE-2026-93796","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: pcie: null RX pointers after free\n\nWhen iwl_pcie_tx_init() fails after RX init, nic init unwinds via\niwl_pcie_rx_free().\n\nThe freed RX members stayed non-NULL on the live transport object,\nso later teardown or retry could touch stale RX state.\nSet rx_pool, global_table, rxq, and alloc_page to NULL after free\nto make repeated cleanup and retry paths safe.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210549,"id":"CVE-2026-93796","ts":1790316054712,"field":"cvss","old":null,"new":"7"},{"seq":210548,"id":"CVE-2026-93796","ts":1790316054712,"field":"severity","old":"none","new":"high"}]}