{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23246", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.989Z", "datePublished": "2026-03-18T10:05:08.312Z", "dateUpdated": "2026-03-18T10:05:08.312Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-03-18T10:05:08.312Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration\n\nlink_id is taken from the ML Reconfiguration element (control & 0x000f),\nso it can be 0..15. link_removal_timeout[] has IEEE80211_MLD_MAX_NUM_LINKS\n(15) elements, so index 15 is out-of-bounds. Skip subelements with\nlink_id >= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds\nwrite."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/mlme.c"], "versions": [{"version": "8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c", "lessThan": "bfde158d5d1322c0c2df398a8d1ccce04943be2e", "status": "affected", "versionType": "git"}, {"version": "8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c", "lessThan": "f35ceec54d48e227fa46f8f97fd100a77b8eab15", "status": "affected", "versionType": "git"}, {"version": "8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c", "lessThan": "d58d71c2167601762351962b9604808d3be94400", "status": "affected", "versionType": "git"}, {"version": "8eb8dd2ffbbb6b0b8843b66754ee9f129f1b2d6c", "lessThan": "162d331d833dc73a3e905a24c44dd33732af1fc5", "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/mlme.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.77", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.17", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.7", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0-rc2", "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": "6.5", "versionEndExcluding": "6.12.77"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.18.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "6.19.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.5", "versionEndExcluding": "7.0-rc2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/bfde158d5d1322c0c2df398a8d1ccce04943be2e"}, {"url": "https://git.kernel.org/stable/c/f35ceec54d48e227fa46f8f97fd100a77b8eab15"}, {"url": "https://git.kernel.org/stable/c/d58d71c2167601762351962b9604808d3be94400"}, {"url": "https://git.kernel.org/stable/c/162d331d833dc73a3e905a24c44dd33732af1fc5"}], "title": "wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration\n\nlink_id is taken from the ML Reconfiguration element (control & 0x000f),\nso it can be 0..15. link_removal_timeout[] has IEEE80211_MLD_MAX_NUM_LINKS\n(15) elements, so index 15 is out-of-bounds. Skip subelements with\nlink_id >= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds\nwrite."}], "id": "CVE-2026-23246", "lastModified": "2026-03-18T14:52:44.227", "metrics": {}, "published": "2026-03-18T11:16:16.570", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/162d331d833dc73a3e905a24c44dd33732af1fc5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bfde158d5d1322c0c2df398a8d1ccce04943be2e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d58d71c2167601762351962b9604808d3be94400"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f35ceec54d48e227fa46f8f97fd100a77b8eab15"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: Linux kernel: Denial of Service in mac80211 Wi-Fi due to out-of-bounds write", "id": "2448600", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448600"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel's mac80211 Wi-Fi subsystem. This vulnerability occurs in the ieee80211_ml_reconfiguration function when processing a Multi-Link (ML) Reconfiguration element. An attacker can provide a crafted link_id value that is not properly bounds-checked, leading to an out-of-bounds write on the stack. This can result in a denial of service (DoS), potentially making the system unavailable."], "name": "CVE-2026-23246", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23246\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23246\nhttps://lore.kernel.org/linux-cve-announce/2026031817-CVE-2026-23246-d29e@gregkh/T"], "threat_severity": "Moderate"}