{"id":"CVE-2026-98329","summary":"wifi: mac80211: don't allow injecting frames wider than the chanctx","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: don't allow injecting frames wider than the chanctx\n\nFrames injected on a monitor interface can carry a radiotap\nfield requesting a bandwidth, which mac80211 passes down to\nthe driver regardless of the the actual operational bandwidth.\n\nIf the bandwidth requested is too wide, that triggers a warning\nin hwsim:\n\n  WARN_ON(hwsim_get_chanwidth(bw) \u003e hwsim_get_chanwidth(confbw))\n\nDrop such frames entirely instead since they cannot be sent.","modified":"2026-10-08T02:52:57.485825470Z","published":"2026-10-06T08:46:21.887Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98329.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/73f48f7e16cadfc74f444ccd10c1d3ae253e2e27"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a5c715eda066cba5ce3372759188ba8636dca629"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c69718519a81e87284494d0c6e6eb7bdd834707a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e14bf37bb2b3853012ff160131d1c6233f7a9cc9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/98xxx/CVE-2026-98329.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98329"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"646e76bb5daf4ca38438c69ffb72cccb605f3466"},{"fixed":"a5c715eda066cba5ce3372759188ba8636dca629"},{"fixed":"73f48f7e16cadfc74f444ccd10c1d3ae253e2e27"},{"fixed":"c69718519a81e87284494d0c6e6eb7bdd834707a"},{"fixed":"e14bf37bb2b3853012ff160131d1c6233f7a9cc9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98329.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.7.0"},{"fixed":"6.12.112"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.54"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.2.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-98329.json"}}],"schema_version":"1.9.0"}