wifi: mac80211: don't allow injecting frames wider than the chanctx (Linux Linux)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.17 % · percentile 6 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Received
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: don't allow injecting frames wider than the chanctx Frames injected on a monitor interface can carry a radiotap field requesting a bandwidth, which mac80211 passes down to the driver regardless of the the actual operational bandwidth. If the bandwidth requested is too wide, that triggers a warning in hwsim: WARN_ON(hwsim_get_chanwidth(bw) > hwsim_get_chanwidth(confbw)) Drop such frames entirely instead since they cannot be sent.
References
European references
- ENISA EUVD · EUVD-2026-93314
- GCVE · GCVE-0-2026-98329
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1375 — Multiples vulnérabilités dans le noyau Linux de Debian LTS · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1374 — Multiples vulnérabilités dans le noyau Linux de Debian · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 < a5c715eda066cba5ce3372759188ba8636dca629 ; affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 < 73f48f7e16cadfc74f444ccd10c1d3ae253e2e27 ; affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 < c69718519a81e87284494d0c6e6eb7bdd834707a ; affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 < e14bf37bb2b3853012ff160131d1c6233f7a9cc9 |
| Linux · Linux | affected 4.7 ; unaffected 0 < 4.7 ; unaffected 6.12.112 ≤ 6.12.* ; unaffected 6.18.54 ≤ 6.18.* ; unaffected 7.2.8 ≤ 7.2.* ; unaffected 7.3 ≤ * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |