CVE-2026-90354
Last modified
CVE-2026-90354 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix double hif2 init on the non-WED path mt7915_pci_init_hif2() was called unconditionally and again inside the WED-inactive branch. The helper increments the global hif_idx, writes the PCIe RECOG_ID register and takes a get_device() reference via mt7915_pci_get_hif2(), while removal only drops one reference.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix double hif2 init on the non-WED path mt7915_pci_init_hif2() was called unconditionally and again inside the WED-inactive branch. The helper increments the global hif_idx, writes the PCIe RECOG_ID register and takes a get_device() reference via mt7915_pci_get_hif2(), while removal only drops one reference. On non-WED dual-hif hardware this double-incremented hif_idx, wrote RECOG_ID twice and leaked a device reference. Only the call inside the WED-inactive branch is correct; drop the unconditional one. hif2 is already initialised to NULL.
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= cacdd67812c6df824704ac078f1770188a485ff9, < eac18fadc791928379b179e54636494b92f8cf86; >= cacdd67812c6df824704ac078f1770188a485ff9, < 927fe8c0eb8c10295bc0018c8faa4d91f8fe98c6; >= cacdd67812c6df824704ac078f1770188a485ff9, < bd2e8f535ae35beb45a7fcc17ec9bbf8dc4db5fe; >= cacdd67812c6df824704ac078f1770188a485ff9, < 249cbaa1873550689fab136b74982cbba74c4169; >= cacdd67812c6df824704ac078f1770188a485ff9, < 29fbc5256c2d8448f084ff179d2e5092ecd1fc54; >= cacdd67812c6df824704ac078f1770188a485ff9, < 3ae8ad277e2819a281b0e36b55633c8515c16ce7 |
| Linux | Linux | 5.18 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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