{"id":"CVE-2026-98329","title":"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 mac…","summary":"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 mac…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 646e76bb5daf4ca38438c69ffb72cccb605f3466 < a5c715eda066cba5ce3372759188ba8636dca629","Linux >= 646e76bb5daf4ca38438c69ffb72cccb605f3466 < 73f48f7e16cadfc74f444ccd10c1d3ae253e2e27","Linux >= 646e76bb5daf4ca38438c69ffb72cccb605f3466 < c69718519a81e87284494d0c6e6eb7bdd834707a","Linux >= 646e76bb5daf4ca38438c69ffb72cccb605f3466 < e14bf37bb2b3853012ff160131d1c6233f7a9cc9","Linux 4.7"],"published":"2026-10-06","updated":"2026-10-06","sourceUpdated":"2026-10-06T09:18:25.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-98329","references":[{"url":"https://git.kernel.org/stable/c/73f48f7e16cadfc74f444ccd10c1d3ae253e2e27","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a5c715eda066cba5ce3372759188ba8636dca629","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c69718519a81e87284494d0c6e6eb7bdd834707a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e14bf37bb2b3853012ff160131d1c6233f7a9cc9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98329.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98329"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2546480"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98329"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98329"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98329.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-10-06T08:50:17.403Z","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-617"],"epss":0.00168,"epssPercentile":0.06036,"slug":"CVE-2026-98329","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, … · updated 2026-10-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98329.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":219159,"id":"CVE-2026-98329","ts":1791707079796,"field":"cvss","old":null,"new":"5.5"},{"seq":219158,"id":"CVE-2026-98329","ts":1791707079796,"field":"severity","old":"none","new":"medium"}]}