CVE-2026-90354

Summary

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

VendorProductVersion RangeStatus
LinuxLinuxcacdd67812c6df824704ac078f1770188a485ff9 < eac18fadc791928379b179e54636494b92f8cf86affected
LinuxLinuxcacdd67812c6df824704ac078f1770188a485ff9 < 927fe8c0eb8c10295bc0018c8faa4d91f8fe98c6affected
LinuxLinuxcacdd67812c6df824704ac078f1770188a485ff9 < bd2e8f535ae35beb45a7fcc17ec9bbf8dc4db5feaffected
LinuxLinuxcacdd67812c6df824704ac078f1770188a485ff9 < 249cbaa1873550689fab136b74982cbba74c4169affected
LinuxLinuxcacdd67812c6df824704ac078f1770188a485ff9 < 29fbc5256c2d8448f084ff179d2e5092ecd1fc54affected
LinuxLinuxcacdd67812c6df824704ac078f1770188a485ff9 < 3ae8ad277e2819a281b0e36b55633c8515c16ce7affected
LinuxLinux5.18affected
LinuxLinux0 < 5.18unaffected
LinuxLinux6.1.188 <= 6.1.*unaffected
LinuxLinux6.6.157 <= 6.6.*unaffected
LinuxLinux6.12.110 <= 6.12.*unaffected
LinuxLinux6.18.52 <= 6.18.*unaffected
LinuxLinux7.2.6 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References