High severity7.0NVD Advisory· Published Sep 24, 2026· Updated Oct 30, 2026
CVE-2026-93796
CVE-2026-93796
Description
In the Linux kernel, the following vulnerability has been resolved:
wifi: iwlwifi: pcie: null RX pointers after free
When iwl_pcie_tx_init() fails after RX init, nic init unwinds via iwl_pcie_rx_free().
The freed RX members stayed non-NULL on the live transport object, so later teardown or retry could touch stale RX state. Set rx_pool, global_table, rxq, and alloc_page to NULL after free to make repeated cleanup and retry paths safe.
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Affected products
2Patches
Vulnerability mechanics
References
5- git.kernel.org/stable/c/2c79d7a7b583050c9f58041465cb46fe3483ab5dnvd
- git.kernel.org/stable/c/3456c5bcc987aeb182e50e30c9b02be8420e9953nvd
- git.kernel.org/stable/c/6ec5bf430cf7466cb412e47f2761594092781facnvd
- git.kernel.org/stable/c/847103369489110a222482c7781e0fe62cdbd3d5nvd
- git.kernel.org/stable/c/c422d5d53f135ea987f745773953a91f9fe30c3fnvd
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