{"api_version":"1","generated_at":"2026-08-15T10:57:58+00:00","cve":"CVE-2026-74324","urls":{"html":"https://cve.report/CVE-2026-74324","api":"https://cve.report/api/cve/CVE-2026-74324.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74324","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74324"},"summary":{"title":"wifi: mt76: mt7925: validate skb length in testmode query","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:33","updated_at":"2026-08-15 06:22:33"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/c7369a00860a0704461d440e7c3bf9b49bfdbaee","name":"https://git.kernel.org/stable/c/c7369a00860a0704461d440e7c3bf9b49bfdbaee","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e8b214b6d6e1902025452db0a0af73dc9693e4ba","name":"https://git.kernel.org/stable/c/e8b214b6d6e1902025452db0a0af73dc9693e4ba","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c386e90a7ce8ddec9f038e9437661a2821b0ce89","name":"https://git.kernel.org/stable/c/c386e90a7ce8ddec9f038e9437661a2821b0ce89","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74324","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74324","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c948b5da6bbec742b433138e3e3f9537a85af2e5 c386e90a7ce8ddec9f038e9437661a2821b0ce89 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c948b5da6bbec742b433138e3e3f9537a85af2e5 e8b214b6d6e1902025452db0a0af73dc9693e4ba git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c948b5da6bbec742b433138e3e3f9537a85af2e5 c7369a00860a0704461d440e7c3bf9b49bfdbaee git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.7","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.7 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"6.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"6.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:19.518Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74324","datePublished":"2026-08-15T05:58:19.518Z","dateReserved":"2026-08-15T05:44:03.884Z","dateUpdated":"2026-08-15T05:58:19.518Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:33","lastModifiedDate":"2026-08-15 06:22:33","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74324","Ordinal":"1","Title":"wifi: mt76: mt7925: validate skb length in testmode query","CVE":"CVE-2026-74324","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74324","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"wifi: mt76: mt7925: validate skb length in testmode query"}]}}}