What’s Vulnerable › Vulnerabilities

CVE-2026-93062: wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-17 · updated 2026-10-30

Description

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.

Affected products

• Linux: 5.5 — fixed in 7.3

How to fix

Upgrade to a fixed version: Linux 7.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/11dde137f1258004bd1ed76ea2480a641e1fb753
• https://git.kernel.org/stable/c/6df26657c626b63b5a47026128cc021f66722a41
• https://git.kernel.org/stable/c/897097eec925fbecdb1f8698b9e7bacb501a5b64
• https://git.kernel.org/stable/c/9318bc0c41b24705690cf80d1596cf6b711e7027
• https://git.kernel.org/stable/c/bc7a7ad93070879c74cdcb107ebb1a02ec212712
• https://git.kernel.org/stable/c/f26f72c2448829701d7c3e840fac9d168a98a955

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