{"id":"CVE-2026-93796","summary":"wifi: iwlwifi: pcie: null RX pointers after free","details":"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-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.","modified":"2026-11-01T02:32:28.804457107Z","published":"2026-09-24T16:02:29.478Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93796.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2c79d7a7b583050c9f58041465cb46fe3483ab5d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3456c5bcc987aeb182e50e30c9b02be8420e9953"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6ec5bf430cf7466cb412e47f2761594092781fac"},{"type":"WEB","url":"https://git.kernel.org/stable/c/847103369489110a222482c7781e0fe62cdbd3d5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c422d5d53f135ea987f745773953a91f9fe30c3f"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93796.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93796"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"9cf671d60fdbeb8f875859c11148cf13c326ada2"},{"fixed":"847103369489110a222482c7781e0fe62cdbd3d5"},{"fixed":"c422d5d53f135ea987f745773953a91f9fe30c3f"},{"fixed":"6ec5bf430cf7466cb412e47f2761594092781fac"},{"fixed":"3456c5bcc987aeb182e50e30c9b02be8420e9953"},{"fixed":"2c79d7a7b583050c9f58041465cb46fe3483ab5d"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-93796.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.12.0"},{"fixed":"6.1.191"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.111"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.53"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-93796.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}