CVE-2026-93062 PUBLISHED

wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

Assigner: Linux
Reserved: 17.09.2026 Published: 17.09.2026 Updated: 17.09.2026

In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

Make sure we don't end-up with a num_frags = 0 situation. For that, check that the required size is not 0 and put a checker on num_frags as well.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from 14124b25780db542b2bc31aadecc37a2a6534f40 to 11dde137f1258004bd1ed76ea2480a641e1fb753 (excl.)
  • affected from 14124b25780db542b2bc31aadecc37a2a6534f40 to 6df26657c626b63b5a47026128cc021f66722a41 (excl.)
  • affected from 14124b25780db542b2bc31aadecc37a2a6534f40 to f26f72c2448829701d7c3e840fac9d168a98a955 (excl.)
  • affected from 14124b25780db542b2bc31aadecc37a2a6534f40 to bc7a7ad93070879c74cdcb107ebb1a02ec212712 (excl.)
  • affected from 14124b25780db542b2bc31aadecc37a2a6534f40 to 9318bc0c41b24705690cf80d1596cf6b711e7027 (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.5 is affected
  • unaffected from 0 to 5.5 (excl.)
  • unaffected from 6.6.157 to 6.6.* (incl.)
  • unaffected from 6.12.110 to 6.12.* (incl.)
  • unaffected from 6.18.52 to 6.18.* (incl.)
  • unaffected from 7.2.6 to 7.2.* (incl.)
  • unaffected from 7.3-rc1 to * (incl.)

References