CVE-2026-98329
wifi: mac80211: don't allow injecting frames wider than the chanctx
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Oct 6, 2026 |
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Affected Versions
Linux / Linux
646e76bb5daf4ca38438c69ffb72cccb605f3466 < a5c715eda066cba5ce3372759188ba8636dca629 646e76bb5daf4ca38438c69ffb72cccb605f3466 < 73f48f7e16cadfc74f444ccd10c1d3ae253e2e27 646e76bb5daf4ca38438c69ffb72cccb605f3466 < c69718519a81e87284494d0c6e6eb7bdd834707a 646e76bb5daf4ca38438c69ffb72cccb605f3466 < e14bf37bb2b3853012ff160131d1c6233f7a9cc9
Linux / Linux
4.7
References
git.kernel.org: https://git.kernel.org/stable/c/a5c715eda066cba5ce3372759188ba8636dca629 git.kernel.org: https://git.kernel.org/stable/c/73f48f7e16cadfc74f444ccd10c1d3ae253e2e27 git.kernel.org: https://git.kernel.org/stable/c/c69718519a81e87284494d0c6e6eb7bdd834707a git.kernel.org: https://git.kernel.org/stable/c/e14bf37bb2b3853012ff160131d1c6233f7a9cc9