CVE-2026-74324

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74324", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.884Z", "datePublished": "2026-08-15T05:58:19.518Z", "dateUpdated": "2026-08-17T05:17:14.721Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:17:14.721Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: validate skb length in testmode query\n\nIn mt7925_tm_query(), the response skb from mt76_mcu_send_and_get_msg()\nis used in a memcpy without validating its length:\n\n memcpy(evt_resp, skb->data + 8, MT7925_EVT_RSP_LEN);\n\nwhere MT7925_EVT_RSP_LEN is 512. If the firmware returns a response\nshorter than 520 bytes (8 + 512), this reads beyond the skb data\nbuffer. The over-read data is then returned to userspace via nla_put()\nin mt7925_testmode_dump().\n\nAdd a length check before the memcpy to ensure the skb contains\nsufficient data."}], "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/mt7925/testmode.c"], "versions": [{"version": "c948b5da6bbec742b433138e3e3f9537a85af2e5", "lessThan": "c386e90a7ce8ddec9f038e9437661a2821b0ce89", "status": "affected", "versionType": "git"}, {"version": "c948b5da6bbec742b433138e3e3f9537a85af2e5", "lessThan": "e8b214b6d6e1902025452db0a0af73dc9693e4ba", "status": "affected", "versionType": "git"}, {"version": "c948b5da6bbec742b433138e3e3f9537a85af2e5", "lessThan": "c7369a00860a0704461d440e7c3bf9b49bfdbaee", "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/mt7925/testmode.c"], "versions": [{"version": "6.7", "status": "affected"}, {"version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.7", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c386e90a7ce8ddec9f038e9437661a2821b0ce89"}, {"url": "https://git.kernel.org/stable/c/e8b214b6d6e1902025452db0a0af73dc9693e4ba"}, {"url": "https://git.kernel.org/stable/c/c7369a00860a0704461d440e7c3bf9b49bfdbaee"}], "title": "wifi: mt76: mt7925: validate skb length in testmode query", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/testmode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c386e90a7ce8ddec9f038e9437661a2821b0ce89", "status": "affected", "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5", "versionType": "git"}, {"lessThan": "e8b214b6d6e1902025452db0a0af73dc9693e4ba", "status": "affected", "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5", "versionType": "git"}, {"lessThan": "c7369a00860a0704461d440e7c3bf9b49bfdbaee", "status": "affected", "version": "c948b5da6bbec742b433138e3e3f9537a85af2e5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/testmode.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.7"}, {"lessThan": "6.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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: mt76: mt7925: validate skb length in testmode query\n\nIn mt7925_tm_query(), the response skb from mt76_mcu_send_and_get_msg()\nis used in a memcpy without validating its length:\n\n memcpy(evt_resp, skb->data + 8, MT7925_EVT_RSP_LEN);\n\nwhere MT7925_EVT_RSP_LEN is 512. If the firmware returns a response\nshorter than 520 bytes (8 + 512), this reads beyond the skb data\nbuffer. The over-read data is then returned to userspace via nla_put()\nin mt7925_testmode_dump().\n\nAdd a length check before the memcpy to ensure the skb contains\nsufficient data."}], "id": "CVE-2026-74324", "lastModified": "2026-08-17T06:19:26.840", "metrics": {}, "published": "2026-08-15T06:22:33.000", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c386e90a7ce8ddec9f038e9437661a2821b0ce89"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c7369a00860a0704461d440e7c3bf9b49bfdbaee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e8b214b6d6e1902025452db0a0af73dc9693e4ba"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: mt76: mt7925: validate skb length in testmode query", "id": "2516752", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516752"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mt76: mt7925: validate skb length in testmode query\nIn mt7925_tm_query(), the response skb from mt76_mcu_send_and_get_msg()\nis used in a memcpy without validating its length:\nmemcpy(evt_resp, skb->data + 8, MT7925_EVT_RSP_LEN);\nwhere MT7925_EVT_RSP_LEN is 512. If the firmware returns a response\nshorter than 520 bytes (8 + 512), this reads beyond the skb data\nbuffer. The over-read data is then returned to userspace via nla_put()\nin mt7925_testmode_dump().\nAdd a length check before the memcpy to ensure the skb contains\nsufficient data.", "A flaw was found in the `mt7925` Wi-Fi driver of the Linux kernel. An attacker could exploit this vulnerability by providing a specially crafted firmware response during a test mode query. This improper validation of the response length can lead to a buffer over-read, potentially disclosing sensitive information from the kernel's memory to userspace."], "name": "CVE-2026-74324", "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"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74324\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74324\nhttps://lore.kernel.org/linux-cve-announce/2026081554-CVE-2026-74324-d245@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c948b5da6bbec742b433138e3e3f9537a85af2e5,c386e90a7ce8ddec9f038e9437661a2821b0ce89)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c948b5da6bbec742b433138e3e3f9537a85af2e5,e8b214b6d6e1902025452db0a0af73dc9693e4ba)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[c948b5da6bbec742b433138e3e3f9537a85af2e5,c7369a00860a0704461d440e7c3bf9b49bfdbaee)"}}], "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": "6.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-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": "2026-08-15T17:30:11.724148+00:00", "updated": "2026-08-22T00:15:05.522064+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-125", "CWE-119"]}