{"api_version":"1","generated_at":"2026-10-15T04:29:07+00:00","cve":"CVE-2026-98329","urls":{"html":"https://cve.report/CVE-2026-98329","api":"https://cve.report/api/cve/CVE-2026-98329.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98329","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98329"},"summary":{"title":"wifi: mac80211: don't allow injecting frames wider than the chanctx","description":"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) > hwsim_get_chanwidth(confbw))\n\nDrop such frames entirely instead since they cannot be sent.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-06 09:18:25","updated_at":"2026-10-06 09:18:25"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a5c715eda066cba5ce3372759188ba8636dca629","name":"https://git.kernel.org/stable/c/a5c715eda066cba5ce3372759188ba8636dca629","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c69718519a81e87284494d0c6e6eb7bdd834707a","name":"https://git.kernel.org/stable/c/c69718519a81e87284494d0c6e6eb7bdd834707a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e14bf37bb2b3853012ff160131d1c6233f7a9cc9","name":"https://git.kernel.org/stable/c/e14bf37bb2b3853012ff160131d1c6233f7a9cc9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/73f48f7e16cadfc74f444ccd10c1d3ae253e2e27","name":"https://git.kernel.org/stable/c/73f48f7e16cadfc74f444ccd10c1d3ae253e2e27","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98329","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98329","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 a5c715eda066cba5ce3372759188ba8636dca629 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 73f48f7e16cadfc74f444ccd10c1d3ae253e2e27 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 c69718519a81e87284494d0c6e6eb7bdd834707a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 646e76bb5daf4ca38438c69ffb72cccb605f3466 e14bf37bb2b3853012ff160131d1c6233f7a9cc9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.112 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.54 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.8 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc4 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"98329","cve":"CVE-2026-98329","epss":"0.001750000","percentile":"0.063870000","score_date":"2026-10-06","updated_at":"2026-10-07 00:14:55"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/mac80211.h","net/mac80211/iface.c","net/mac80211/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"a5c715eda066cba5ce3372759188ba8636dca629","status":"affected","version":"646e76bb5daf4ca38438c69ffb72cccb605f3466","versionType":"git"},{"lessThan":"73f48f7e16cadfc74f444ccd10c1d3ae253e2e27","status":"affected","version":"646e76bb5daf4ca38438c69ffb72cccb605f3466","versionType":"git"},{"lessThan":"c69718519a81e87284494d0c6e6eb7bdd834707a","status":"affected","version":"646e76bb5daf4ca38438c69ffb72cccb605f3466","versionType":"git"},{"lessThan":"e14bf37bb2b3853012ff160131d1c6233f7a9cc9","status":"affected","version":"646e76bb5daf4ca38438c69ffb72cccb605f3466","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/mac80211.h","net/mac80211/iface.c","net/mac80211/tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.7"},{"lessThan":"4.7","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.112","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.54","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc4","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.112","versionStartIncluding":"4.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.54","versionStartIncluding":"4.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.8","versionStartIncluding":"4.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc4","versionStartIncluding":"4.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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) > hwsim_get_chanwidth(confbw))\n\nDrop such frames entirely instead since they cannot be sent."}],"providerMetadata":{"dateUpdated":"2026-10-06T08:46:21.887Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/a5c715eda066cba5ce3372759188ba8636dca629"},{"url":"https://git.kernel.org/stable/c/73f48f7e16cadfc74f444ccd10c1d3ae253e2e27"},{"url":"https://git.kernel.org/stable/c/c69718519a81e87284494d0c6e6eb7bdd834707a"},{"url":"https://git.kernel.org/stable/c/e14bf37bb2b3853012ff160131d1c6233f7a9cc9"}],"title":"wifi: mac80211: don't allow injecting frames wider than the chanctx","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98329","datePublished":"2026-10-06T08:46:21.887Z","dateReserved":"2026-09-25T10:25:14.341Z","dateUpdated":"2026-10-06T08:46:21.887Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-06 09:18:25","lastModifiedDate":"2026-10-06 09:18:25","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98329","Ordinal":"1","Title":"wifi: mac80211: don't allow injecting frames wider than the chan","CVE":"CVE-2026-98329","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98329","Ordinal":"1","NoteData":"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) > hwsim_get_chanwidth(confbw))\n\nDrop such frames entirely instead since they cannot be sent.","Type":"Description","Title":"wifi: mac80211: don't allow injecting frames wider than the chan"}]}}}