CVE-2026-98185

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98185", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.323Z", "datePublished": "2026-10-06T08:44:27.654Z", "dateUpdated": "2026-10-19T09:15:16.426Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:15:16.426Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mwifiex: validate scan response extents\n\nmwifiex_ret_802_11_scan() subtracts the fixed response fields and the\nfirmware-provided BSS length from resp->size without first proving that\neither extent fits. A short response or oversized BSS length can\ntherefore underflow tlv_buf_size and make the TLV parser walk beyond the\ncommand response.\n\nCompute the fixed extent from the selected normal or background scan\nresponse. Validate that the fixed fields and BSS data fit before deriving\nthe TLV extent and entering the parser."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/marvell/mwifiex/scan.c"], "versions": [{"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "25217c5f6ce0bf3004f80c129464cd35fe9a420f", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "48312f0085aa1577d6d41af2a079b34de17c1a57", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "dccf5ecaad4d8d43c545921f20328e8f91af8698", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "c4943323fda22ef27bb6479b9d328ae48c63f64c", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "cb0008480ed7d5cf76f3ad9668a91bbb7d0b4417", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "9cff2f39ed38a32070b08364c4c9346e85b8f9ec", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "7106ad8b74f50cca1ef36131f327d2c78f556daa", "status": "affected", "versionType": "git"}, {"version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "lessThan": "3687d7d48070838cc2953431b3a27717cab0aaf6", "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/marvell/mwifiex/scan.c"], "versions": [{"version": "3.0", "status": "affected"}, {"version": "0", "lessThan": "3.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "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": "3.0", "versionEndExcluding": "5.10.271"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/25217c5f6ce0bf3004f80c129464cd35fe9a420f"}, {"url": "https://git.kernel.org/stable/c/48312f0085aa1577d6d41af2a079b34de17c1a57"}, {"url": "https://git.kernel.org/stable/c/dccf5ecaad4d8d43c545921f20328e8f91af8698"}, {"url": "https://git.kernel.org/stable/c/c4943323fda22ef27bb6479b9d328ae48c63f64c"}, {"url": "https://git.kernel.org/stable/c/cb0008480ed7d5cf76f3ad9668a91bbb7d0b4417"}, {"url": "https://git.kernel.org/stable/c/9cff2f39ed38a32070b08364c4c9346e85b8f9ec"}, {"url": "https://git.kernel.org/stable/c/7106ad8b74f50cca1ef36131f327d2c78f556daa"}, {"url": "https://git.kernel.org/stable/c/3687d7d48070838cc2953431b3a27717cab0aaf6"}], "title": "wifi: mwifiex: validate scan response extents", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/marvell/mwifiex/scan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "25217c5f6ce0bf3004f80c129464cd35fe9a420f", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}, {"lessThan": "48312f0085aa1577d6d41af2a079b34de17c1a57", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}, {"lessThan": "dccf5ecaad4d8d43c545921f20328e8f91af8698", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}, {"lessThan": "c4943323fda22ef27bb6479b9d328ae48c63f64c", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}, {"lessThan": "cb0008480ed7d5cf76f3ad9668a91bbb7d0b4417", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}, {"lessThan": "9cff2f39ed38a32070b08364c4c9346e85b8f9ec", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}, {"lessThan": "7106ad8b74f50cca1ef36131f327d2c78f556daa", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}, {"lessThan": "3687d7d48070838cc2953431b3a27717cab0aaf6", "status": "affected", "version": "5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/marvell/mwifiex/scan.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.0"}, {"lessThan": "3.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "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: mwifiex: validate scan response extents\n\nmwifiex_ret_802_11_scan() subtracts the fixed response fields and the\nfirmware-provided BSS length from resp->size without first proving that\neither extent fits. A short response or oversized BSS length can\ntherefore underflow tlv_buf_size and make the TLV parser walk beyond the\ncommand response.\n\nCompute the fixed extent from the selected normal or background scan\nresponse. Validate that the fixed fields and BSS data fit before deriving\nthe TLV extent and entering the parser."}], "id": "CVE-2026-98185", "lastModified": "2026-10-19T10:18:18.823", "metrics": {}, "published": "2026-10-06T09:18:03.380", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/25217c5f6ce0bf3004f80c129464cd35fe9a420f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3687d7d48070838cc2953431b3a27717cab0aaf6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/48312f0085aa1577d6d41af2a079b34de17c1a57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7106ad8b74f50cca1ef36131f327d2c78f556daa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9cff2f39ed38a32070b08364c4c9346e85b8f9ec"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c4943323fda22ef27bb6479b9d328ae48c63f64c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cb0008480ed7d5cf76f3ad9668a91bbb7d0b4417"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dccf5ecaad4d8d43c545921f20328e8f91af8698"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: mwifiex: validate scan response extents", "id": "2546388", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2546388"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in the mwifiex driver in the Linux kernel. When processing wireless scan responses, the driver fails to properly validate response extents before calculating internal buffer boundaries. A malicious or compromised wireless device sending malformed scan response data can trigger an integer underflow, causing the driver to read memory beyond the allocated response buffer. This issue primarily results in a system crash, causing a Denial of Service (DoS), or potential information disclosure."], "name": "CVE-2026-98185", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "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-2026-98185\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98185\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98185.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,25217c5f6ce0bf3004f80c129464cd35fe9a420f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,48312f0085aa1577d6d41af2a079b34de17c1a57)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,dccf5ecaad4d8d43c545921f20328e8f91af8698)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,c4943323fda22ef27bb6479b9d328ae48c63f64c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,cb0008480ed7d5cf76f3ad9668a91bbb7d0b4417)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,9cff2f39ed38a32070b08364c4c9346e85b8f9ec)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,7106ad8b74f50cca1ef36131f327d2c78f556daa)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5e6e3a92b9a4c9416b17f468fa5c7fa2233b8b4e,3687d7d48070838cc2953431b3a27717cab0aaf6)"}}], "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": "3.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.271,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.222,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.189,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"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": "2026-10-06T15:00:18.392169+00:00", "updated": "2026-10-09T05:45:20.400855+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}