{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98700", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.365Z", "datePublished": "2026-10-18T15:46:30.043Z", "dateUpdated": "2026-10-21T12:55:49.943Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:55:49.943Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: set info->band for 802.3 encap offload frames\n\nUnlike the 802.11 TX paths, ieee80211_8023_xmit() does not set\ninfo->band from the channel context on non-MLD interfaces. It stays at\n0, so ieee80211_get_tx_rates() uses the wrong band for these frames.\n\nSet it the same way as ieee80211_build_hdr(): drop the frame if there is\nno channel context, and leave the band at 0 on MLD interfaces."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/tx.c"], "versions": [{"version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "lessThan": "6535f7084d95873785a7a93cdca05e8ee83b5601", "status": "affected", "versionType": "git"}, {"version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "lessThan": "93c1b247224a32f546b616a8fe87b9bab20f0a7f", "status": "affected", "versionType": "git"}, {"version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "lessThan": "9cedbfde1450028f530e9af950f53491fcaebfeb", "status": "affected", "versionType": "git"}, {"version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "lessThan": "2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b", "status": "affected", "versionType": "git"}, {"version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "lessThan": "4febc02cd02f021f2b6d0768332be643ef14a12d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/tx.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "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": "5.7", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6535f7084d95873785a7a93cdca05e8ee83b5601"}, {"url": "https://git.kernel.org/stable/c/93c1b247224a32f546b616a8fe87b9bab20f0a7f"}, {"url": "https://git.kernel.org/stable/c/9cedbfde1450028f530e9af950f53491fcaebfeb"}, {"url": "https://git.kernel.org/stable/c/2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b"}, {"url": "https://git.kernel.org/stable/c/4febc02cd02f021f2b6d0768332be643ef14a12d"}], "title": "wifi: mac80211: set info->band for 802.3 encap offload frames", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/mac80211/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6535f7084d95873785a7a93cdca05e8ee83b5601", "status": "affected", "version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "versionType": "git"}, {"lessThan": "93c1b247224a32f546b616a8fe87b9bab20f0a7f", "status": "affected", "version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "versionType": "git"}, {"lessThan": "9cedbfde1450028f530e9af950f53491fcaebfeb", "status": "affected", "version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "versionType": "git"}, {"lessThan": "2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b", "status": "affected", "version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "versionType": "git"}, {"lessThan": "4febc02cd02f021f2b6d0768332be643ef14a12d", "status": "affected", "version": "50ff477a8639fa1fbbeecb5a6f2f8b6c5557ecec", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/mac80211/tx.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "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: set info->band for 802.3 encap offload frames\n\nUnlike the 802.11 TX paths, ieee80211_8023_xmit() does not set\ninfo->band from the channel context on non-MLD interfaces. It stays at\n0, so ieee80211_get_tx_rates() uses the wrong band for these frames.\n\nSet it the same way as ieee80211_build_hdr(): drop the frame if there is\nno channel context, and leave the band at 0 on MLD interfaces."}], "id": "CVE-2026-98700", "lastModified": "2026-10-21T13:21:38.217", "metrics": {}, "published": "2026-10-18T16:17:23.497", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2d9c5525bbc1a548cdc9c4def3cd7fbfc7c66b5b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4febc02cd02f021f2b6d0768332be643ef14a12d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6535f7084d95873785a7a93cdca05e8ee83b5601"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93c1b247224a32f546b616a8fe87b9bab20f0a7f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9cedbfde1450028f530e9af950f53491fcaebfeb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: mac80211: set info->band for 802.3 encap offload frames", "id": "2555114", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555114"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-909", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mac80211: set info->band for 802.3 encap offload frames\nUnlike the 802.11 TX paths, ieee80211_8023_xmit() does not set\ninfo->band from the channel context on non-MLD interfaces. It stays at\n0, so ieee80211_get_tx_rates() uses the wrong band for these frames.\nSet it the same way as ieee80211_build_hdr(): drop the frame if there is\nno channel context, and leave the band at 0 on MLD interfaces.", "A flaw was found in the Linux kernel's mac80211 wireless subsystem. The transmission function for encapsulated Ethernet frames fails to set the operating frequency band from the channel context on non-Multi-Link Device (MLD) interfaces. A local user generating network traffic on an affected interface can trigger this flaw, causing the system to calculate transmission rates using an incorrect band. Consequently, this issue may result in transmission failures or degraded wireless network performance."], "name": "CVE-2026-98700", "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": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98700\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98700\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98700.mbox"], "threat_severity": "Low"}