{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98159", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.321Z", "datePublished": "2026-09-25T10:36:28.206Z", "dateUpdated": "2026-10-19T09:14:53.011Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:14:53.011Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: validate CLC firmware records\n\nThe CLC region is supplied by firmware, but the loader trusts the\nregion count and each record length. A malformed image can make the\nregion table pointer precede the firmware buffer, make the record loop\nfail to advance, or index phy->clc past its end. Validate the table and\nrecord bounds before dereferencing or copying."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"], "versions": [{"version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "lessThan": "46673662402884ca55a869e4ebe956e08e8b6b05", "status": "affected", "versionType": "git"}, {"version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "lessThan": "740272d46ffc8231709a5e774cf5e4a5785b8a02", "status": "affected", "versionType": "git"}, {"version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "lessThan": "602a950134ee2940136f60797e4457c3983b06ce", "status": "affected", "versionType": "git"}, {"version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "lessThan": "3896be051e928c891922d91de94c99519d215dff", "status": "affected", "versionType": "git"}, {"version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "lessThan": "3c505e2af16a9320f4355218394a955fbbc65322", "status": "affected", "versionType": "git"}, {"version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "lessThan": "9417c5818a0146980c2608fda94c908e604eb033", "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/mediatek/mt76/mt7921/mcu.c"], "versions": [{"version": "6.1", "status": "affected"}, {"version": "0", "lessThan": "6.1", "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": "6.12.111", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "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": "6.1", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/46673662402884ca55a869e4ebe956e08e8b6b05"}, {"url": "https://git.kernel.org/stable/c/740272d46ffc8231709a5e774cf5e4a5785b8a02"}, {"url": "https://git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce"}, {"url": "https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff"}, {"url": "https://git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322"}, {"url": "https://git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033"}], "title": "wifi: mt76: mt7921: validate CLC firmware records", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "46673662402884ca55a869e4ebe956e08e8b6b05", "status": "affected", "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "versionType": "git"}, {"lessThan": "740272d46ffc8231709a5e774cf5e4a5785b8a02", "status": "affected", "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "versionType": "git"}, {"lessThan": "602a950134ee2940136f60797e4457c3983b06ce", "status": "affected", "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "versionType": "git"}, {"lessThan": "3896be051e928c891922d91de94c99519d215dff", "status": "affected", "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "versionType": "git"}, {"lessThan": "3c505e2af16a9320f4355218394a955fbbc65322", "status": "affected", "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "versionType": "git"}, {"lessThan": "9417c5818a0146980c2608fda94c908e604eb033", "status": "affected", "version": "23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7921/mcu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.1"}, {"lessThan": "6.1", "status": "unaffected", "version": "0", "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": "6.12.111", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A08955FE-5938-4F5B-B6A0-BEA8BA740A26", "versionEndExcluding": "6.1.189", "versionStartIncluding": "6.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4F4B14AC-C632-4A61-9E23-076CC1A04CEA", "versionEndExcluding": "6.6.158", "versionStartIncluding": "6.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "25101E3A-E888-4430-B5C5-6D6BC4635597", "versionEndExcluding": "6.12.111", "versionStartIncluding": "6.12", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "73ACAEE5-4BA8-4054-AF4C-14413FA0192B", "versionEndExcluding": "6.18.53", "versionStartIncluding": "6.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D9F474BB-5197-425C-A9D2-40E492785436", "versionEndExcluding": "7.2.7", "versionStartIncluding": "7.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: validate CLC firmware records\n\nThe CLC region is supplied by firmware, but the loader trusts the\nregion count and each record length. A malformed image can make the\nregion table pointer precede the firmware buffer, make the record loop\nfail to advance, or index phy->clc past its end. Validate the table and\nrecord bounds before dereferencing or copying."}], "id": "CVE-2026-98159", "lastModified": "2026-10-19T10:18:16.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-09-25T11:17:47.640", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/46673662402884ca55a869e4ebe956e08e8b6b05"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/740272d46ffc8231709a5e774cf5e4a5785b8a02"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: mt76: mt7921: validate CLC firmware records", "id": "2541323", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541323"}, "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-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mt76: mt7921: validate CLC firmware records\nThe CLC region is supplied by firmware, but the loader trusts the\nregion count and each record length. A malformed image can make the\nregion table pointer precede the firmware buffer, make the record loop\nfail to advance, or index phy->clc past its end. Validate the table and\nrecord bounds before dereferencing or copying.", "A flaw was found in the Linux kernel's MediaTek MT7921 Wi-Fi driver. The driver fails to validate the region count and record lengths when parsing Country Location Control (CLC) firmware data. An attacker capable of supplying a malformed firmware image could trigger an out-of-bounds memory access or an infinite loop, resulting in a system crash and Denial of Service (DoS)."], "name": "CVE-2026-98159", "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": "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": "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": "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": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98159\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98159\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98159.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125,602a950134ee2940136f60797e4457c3983b06ce)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125,3896be051e928c891922d91de94c99519d215dff)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125,3c505e2af16a9320f4355218394a955fbbc65322)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125,9417c5818a0146980c2608fda94c908e604eb033)"}}], "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": "6.1"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.1)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-25T13:15:07.879473+00:00", "updated": "2026-10-17T09:15:06.526570+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}