CVE-2026-98329

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98329", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.341Z", "datePublished": "2026-10-06T08:46:21.887Z", "dateUpdated": "2026-10-19T09:17:39.579Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:17:39.579Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/mac80211.h", "net/mac80211/iface.c", "net/mac80211/tx.c"], "versions": [{"version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "lessThan": "a5c715eda066cba5ce3372759188ba8636dca629", "status": "affected", "versionType": "git"}, {"version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "lessThan": "73f48f7e16cadfc74f444ccd10c1d3ae253e2e27", "status": "affected", "versionType": "git"}, {"version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "lessThan": "c69718519a81e87284494d0c6e6eb7bdd834707a", "status": "affected", "versionType": "git"}, {"version": "646e76bb5daf4ca38438c69ffb72cccb605f3466", "lessThan": "e14bf37bb2b3853012ff160131d1c6233f7a9cc9", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/mac80211.h", "net/mac80211/iface.c", "net/mac80211/tx.c"], "versions": [{"version": "4.7", "status": "affected"}, {"version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.7", "versionEndExcluding": "7.3"}]}]}], "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"}}}}

{}

{"affected": [{"affectedData": [{"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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-98329", "lastModified": "2026-10-19T10:18:35.063", "metrics": {}, "published": "2026-10-06T09:18:25.250", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/73f48f7e16cadfc74f444ccd10c1d3ae253e2e27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a5c715eda066cba5ce3372759188ba8636dca629"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c69718519a81e87284494d0c6e6eb7bdd834707a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e14bf37bb2b3853012ff160131d1c6233f7a9cc9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: mac80211: don't allow injecting frames wider than the chanctx", "id": "2546480", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546480"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-617", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mac80211: don't allow injecting frames wider than the chanctx\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.\nIf the bandwidth requested is too wide, that triggers a warning\nin hwsim:\nWARN_ON(hwsim_get_chanwidth(bw) > hwsim_get_chanwidth(confbw))\nDrop such frames entirely instead since they cannot be sent.", "A flaw was found in the Linux kernel's mac80211 wireless networking subsystem. When packets are injected on a monitor network interface, mac80211 does not verify whether the bandwidth requested in the radiotap header exceeds the operational channel bandwidth before forwarding it to the driver. A local user with packet injection capabilities could exploit this vulnerability by injecting frames requesting excessive bandwidth, triggering kernel warnings or unexpected driver states that may result in a Denial of Service (DoS)."], "name": "CVE-2026-98329", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98329\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98329\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98329.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[646e76bb5daf4ca38438c69ffb72cccb605f3466,a5c715eda066cba5ce3372759188ba8636dca629)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[646e76bb5daf4ca38438c69ffb72cccb605f3466,73f48f7e16cadfc74f444ccd10c1d3ae253e2e27)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[646e76bb5daf4ca38438c69ffb72cccb605f3466,c69718519a81e87284494d0c6e6eb7bdd834707a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[646e76bb5daf4ca38438c69ffb72cccb605f3466,e14bf37bb2b3853012ff160131d1c6233f7a9cc9)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[4.7,4.7]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc4,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-06T14:30:07.738197+00:00", "updated": "2026-10-11T07:00:09.024628+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}