CVE-2026-98193

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98193", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.323Z", "datePublished": "2026-10-06T08:44:33.584Z", "dateUpdated": "2026-10-30T12:37:54.286Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:37:54.286Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libipw: reject TKIP frames without a full MIC\n\nlibipw_michael_mic_verify() assumes that an skb contains an eight-byte\nMichael MIC. A short TKIP frame makes the unsigned payload length wrap,\ncausing michael_mic() to read past the skb.\n\nCheck that the MIC is present before verifying it, and use the existing\nMICHAEL_MIC_LEN constant for all MIC lengths in the verifier."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c"], "versions": [{"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "2e23abdaf6d32aa112efaa474629af7584d3acc6", "status": "affected", "versionType": "git"}, {"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "9442bf5ea83314ef9a8a33e6885da45a61d1474d", "status": "affected", "versionType": "git"}, {"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "0636970f31dd9099f98578a62335eb534be72e3a", "status": "affected", "versionType": "git"}, {"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "f448b267968d0ee985e5927c868c8f858169ab34", "status": "affected", "versionType": "git"}, {"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "9a7fb67364817710c96785ff86b71a2711ee92cb", "status": "affected", "versionType": "git"}, {"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "ac7c08626f67844336086cf563f417566b76f0d7", "status": "affected", "versionType": "git"}, {"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "bb7ae8910cc886885aea95abb7c2e578a2341646", "status": "affected", "versionType": "git"}, {"version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "lessThan": "06f42accaf3c6aecab1dcc57f68dde6c06c8b380", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c"], "versions": [{"version": "2.6.14", "status": "affected"}, {"version": "0", "lessThan": "2.6.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "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": "2.6.14", "versionEndExcluding": "5.10.273"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.14", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2e23abdaf6d32aa112efaa474629af7584d3acc6"}, {"url": "https://git.kernel.org/stable/c/9442bf5ea83314ef9a8a33e6885da45a61d1474d"}, {"url": "https://git.kernel.org/stable/c/0636970f31dd9099f98578a62335eb534be72e3a"}, {"url": "https://git.kernel.org/stable/c/f448b267968d0ee985e5927c868c8f858169ab34"}, {"url": "https://git.kernel.org/stable/c/9a7fb67364817710c96785ff86b71a2711ee92cb"}, {"url": "https://git.kernel.org/stable/c/ac7c08626f67844336086cf563f417566b76f0d7"}, {"url": "https://git.kernel.org/stable/c/bb7ae8910cc886885aea95abb7c2e578a2341646"}, {"url": "https://git.kernel.org/stable/c/06f42accaf3c6aecab1dcc57f68dde6c06c8b380"}], "title": "wifi: libipw: reject TKIP frames without a full MIC", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2e23abdaf6d32aa112efaa474629af7584d3acc6", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}, {"lessThan": "9442bf5ea83314ef9a8a33e6885da45a61d1474d", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}, {"lessThan": "0636970f31dd9099f98578a62335eb534be72e3a", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}, {"lessThan": "f448b267968d0ee985e5927c868c8f858169ab34", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}, {"lessThan": "9a7fb67364817710c96785ff86b71a2711ee92cb", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}, {"lessThan": "ac7c08626f67844336086cf563f417566b76f0d7", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}, {"lessThan": "bb7ae8910cc886885aea95abb7c2e578a2341646", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}, {"lessThan": "06f42accaf3c6aecab1dcc57f68dde6c06c8b380", "status": "affected", "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/intel/ipw2x00/libipw_crypto_tkip.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.14"}, {"lessThan": "2.6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.273", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "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: libipw: reject TKIP frames without a full MIC\n\nlibipw_michael_mic_verify() assumes that an skb contains an eight-byte\nMichael MIC. A short TKIP frame makes the unsigned payload length wrap,\ncausing michael_mic() to read past the skb.\n\nCheck that the MIC is present before verifying it, and use the existing\nMICHAEL_MIC_LEN constant for all MIC lengths in the verifier."}], "id": "CVE-2026-98193", "lastModified": "2026-10-30T13:21:11.933", "metrics": {}, "published": "2026-10-06T09:18:04.670", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0636970f31dd9099f98578a62335eb534be72e3a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/06f42accaf3c6aecab1dcc57f68dde6c06c8b380"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e23abdaf6d32aa112efaa474629af7584d3acc6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9442bf5ea83314ef9a8a33e6885da45a61d1474d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9a7fb67364817710c96785ff86b71a2711ee92cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ac7c08626f67844336086cf563f417566b76f0d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bb7ae8910cc886885aea95abb7c2e578a2341646"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f448b267968d0ee985e5927c868c8f858169ab34"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: libipw: reject TKIP frames without a full MIC", "id": "2546356", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546356"}, "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-125", "details": ["A flaw was found in the Linux kernel's libipw wireless driver. When processing Temporal Key Integrity Protocol (TKIP) network frames, the driver assumes the frame contains a complete Message Integrity Check (MIC) without verifying that the packet meets the minimum expected length. An attacker within Wi-Fi range can send a specially crafted, truncated wireless frame to cause an integer wrap and trigger an out-of-bounds memory read. This issue primarily allows an attacker to cause a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-98193", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Not affected", "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": "Not affected", "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-2026-98193\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98193\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98193.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b453872c35cfcbdbf5a794737817f7d4e7b1b579,9a7fb67364817710c96785ff86b71a2711ee92cb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b453872c35cfcbdbf5a794737817f7d4e7b1b579,ac7c08626f67844336086cf563f417566b76f0d7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b453872c35cfcbdbf5a794737817f7d4e7b1b579,bb7ae8910cc886885aea95abb7c2e578a2341646)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b453872c35cfcbdbf5a794737817f7d4e7b1b579,06f42accaf3c6aecab1dcc57f68dde6c06c8b380)"}}], "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": "semver", "value": "2.6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.14)"}}, {"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": "2026-10-06T14:00:19.062659+00:00", "updated": "2026-10-09T03:30:06.909508+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125"]}