{"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"}}}}