CVE-2026-98346

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98346", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.343Z", "datePublished": "2026-10-06T08:46:35.409Z", "dateUpdated": "2026-10-19T09:17:57.199Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:17:57.199Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then crashes in mac80211.\n\nTo avoid that, invert the order of checks since wdev->netdev\nis always valid for beaconing interfaces."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/util.c"], "versions": [{"version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "lessThan": "5b313159c970e945ee125ca87fad0d96ed913e55", "status": "affected", "versionType": "git"}, {"version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "lessThan": "693d777846d525b8b218bad97a1befa5d9bd4334", "status": "affected", "versionType": "git"}, {"version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "lessThan": "7166da84a7fe3553f9065782fd80299a37b150e5", "status": "affected", "versionType": "git"}, {"version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "lessThan": "a7783e585360ee05dfe21d3173dbbe985c94f29e", "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/wireless/util.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "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": "6.11", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5b313159c970e945ee125ca87fad0d96ed913e55"}, {"url": "https://git.kernel.org/stable/c/693d777846d525b8b218bad97a1befa5d9bd4334"}, {"url": "https://git.kernel.org/stable/c/7166da84a7fe3553f9065782fd80299a37b150e5"}, {"url": "https://git.kernel.org/stable/c/a7783e585360ee05dfe21d3173dbbe985c94f29e"}], "title": "wifi: cfg80211: don't get the radio mask for netdev-less wdevs", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/wireless/util.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5b313159c970e945ee125ca87fad0d96ed913e55", "status": "affected", "version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "versionType": "git"}, {"lessThan": "693d777846d525b8b218bad97a1befa5d9bd4334", "status": "affected", "version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "versionType": "git"}, {"lessThan": "7166da84a7fe3553f9065782fd80299a37b150e5", "status": "affected", "version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "versionType": "git"}, {"lessThan": "a7783e585360ee05dfe21d3173dbbe985c94f29e", "status": "affected", "version": "abb4cfe3661aa05426916b21164f88ca5a405a3a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/wireless/util.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"lessThan": "6.11", "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: cfg80211: don't get the radio mask for netdev-less wdevs\n\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then crashes in mac80211.\n\nTo avoid that, invert the order of checks since wdev->netdev\nis always valid for beaconing interfaces."}], "id": "CVE-2026-98346", "lastModified": "2026-10-19T10:18:37.103", "metrics": {}, "published": "2026-10-06T09:18:27.633", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5b313159c970e945ee125ca87fad0d96ed913e55"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/693d777846d525b8b218bad97a1befa5d9bd4334"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7166da84a7fe3553f9065782fd80299a37b150e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a7783e585360ee05dfe21d3173dbbe985c94f29e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: cfg80211: don't get the radio mask for netdev-less wdevs", "id": "2546447", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546447"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: cfg80211: don't get the radio mask for netdev-less wdevs\ncfg80211_calculate_bi_data() calls rdev_get_radio_mask() with\nwdev->netdev, which can be NULL and then crashes in mac80211.\nTo avoid that, invert the order of checks since wdev->netdev\nis always valid for beaconing interfaces.", "A flaw was found in the Linux kernel's wireless configuration subsystem (cfg80211). When calculating beacon interval data, the system attempts to retrieve radio mask information for wireless devices that lack an associated network interface without proper validation. A local attacker can exploit this flaw to cause a null pointer dereference, crashing the system and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-98346", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "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-2026-98346\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98346\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98346.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[abb4cfe3661aa05426916b21164f88ca5a405a3a,5b313159c970e945ee125ca87fad0d96ed913e55)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[abb4cfe3661aa05426916b21164f88ca5a405a3a,693d777846d525b8b218bad97a1befa5d9bd4334)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[abb4cfe3661aa05426916b21164f88ca5a405a3a,7166da84a7fe3553f9065782fd80299a37b150e5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[abb4cfe3661aa05426916b21164f88ca5a405a3a,a7783e585360ee05dfe21d3173dbbe985c94f29e)"}}], "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": "6.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.11)"}}, {"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": "generic", "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": "2026-10-06T13:30:08.246501+00:00", "updated": "2026-10-11T04:00:14.010617+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}