# wifi: iwlwifi: guard against division by zero in iwl_dbg_tlv_alloc_fragments

CVE record · `CVE-2026-93062`

- **Identifiers:** `CVE-2026-93062`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** Linux
- **Technologies:** [Linux kernel](https://agentprime.io/advisories/technology/linux-kernel.md)
- **Published:** 17 Sept 2026
- **Updated:** 30 Oct 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Linux) at 17 Sept 2026, 16:10 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Linux. Product: Linux.
  - affected: `14124b25780db542b2bc31aadecc37a2a6534f40 to before 897097eec925fbecdb1f8698b9e7bacb501a5b64` (git)
  - affected: `14124b25780db542b2bc31aadecc37a2a6534f40 to before 11dde137f1258004bd1ed76ea2480a641e1fb753` (git)
  - affected: `14124b25780db542b2bc31aadecc37a2a6534f40 to before 6df26657c626b63b5a47026128cc021f66722a41` (git)
  - affected: `14124b25780db542b2bc31aadecc37a2a6534f40 to before f26f72c2448829701d7c3e840fac9d168a98a955` (git)
  - affected: `14124b25780db542b2bc31aadecc37a2a6534f40 to before bc7a7ad93070879c74cdcb107ebb1a02ec212712` (git)
  - affected: `14124b25780db542b2bc31aadecc37a2a6534f40 to before 9318bc0c41b24705690cf80d1596cf6b711e7027` (git)
  - Other versions: unaffected
- Vendor: Linux. Product: Linux.
  - affected: `5.5`
  - unaffected: `before 5.5` (semver)
  - unaffected: `6.1.191 to 6.1.*, inclusive` (semver)
  - unaffected: `6.6.157 to 6.6.*, inclusive` (semver)
  - unaffected: `6.12.110 to 6.12.*, inclusive` (semver)
  - unaffected: `6.18.52 to 6.18.*, inclusive` (semver)
  - unaffected: `7.2.6 to 7.2.*, inclusive` (semver)
  - unaffected: `7.3 to *, inclusive` (original_commit_for_fix)
  - Other versions: affected

## Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

> The iwlwifi wireless driver in the Linux kernel, from version 5.5 onward, can divide by zero in iwl_dbg_tlv_alloc_fragments. The source gives few details on attacker requirements or impact. Upgrade to 6.1.191 or later in the 6.1 series, 6.6.157 or later in 6.6, 6.12.110 or later in 6.12, or 6.18.52 or later in 6.18.

Written 12 Nov 2026.

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.0021, the 11th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 17 Sept 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-93062](https://www.cve.org/CVERecord?id=CVE-2026-93062)
- [NVD: CVE-2026-93062](https://nvd.nist.gov/vuln/detail/CVE-2026-93062)

### References from the CNA

- <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>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2026-93062>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

---

The web page: <https://agentprime.io/advisories/CVE-2026-93062/>. Everything for agents: <https://agentprime.io/llms.txt>.