{"api_version":"1","generated_at":"2026-08-15T08:44:36+00:00","cve":"CVE-2026-74408","urls":{"html":"https://cve.report/CVE-2026-74408","api":"https://cve.report/api/cve/CVE-2026-74408.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74408","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74408"},"summary":{"title":"wifi: ath9k: fix OOB access from firmware tx status queue ID","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: fix OOB access from firmware tx status queue ID\n\nath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a\n4-bit hardware field (0-15), but the txq array only has\nATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array\naccess.\n\nAdd a bounds check on ts.qid before using it as an array index.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:42","updated_at":"2026-08-15 06:22:42"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/46ca1451f61b598f45cb5259e066d305444d95fc","name":"https://git.kernel.org/stable/c/46ca1451f61b598f45cb5259e066d305444d95fc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/734db72d55ca578a344dfa33e30145032c074b25","name":"https://git.kernel.org/stable/c/734db72d55ca578a344dfa33e30145032c074b25","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54","name":"https://git.kernel.org/stable/c/fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f5931d06b45ed402572bfe5832fff15864ef5481","name":"https://git.kernel.org/stable/c/f5931d06b45ed402572bfe5832fff15864ef5481","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5435fd3edcb11c7cc4002847c83e9a50b49284dc","name":"https://git.kernel.org/stable/c/5435fd3edcb11c7cc4002847c83e9a50b49284dc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7ce2f118a2389e8f0a64068c6fe7cc7d40639be0","name":"https://git.kernel.org/stable/c/7ce2f118a2389e8f0a64068c6fe7cc7d40639be0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a9e055ac62cb3fcea262d4b687ec73eed82b3379","name":"https://git.kernel.org/stable/c/a9e055ac62cb3fcea262d4b687ec73eed82b3379","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/336d4c8cd9b1646060ee690c881d465dfc09c6c0","name":"https://git.kernel.org/stable/c/336d4c8cd9b1646060ee690c881d465dfc09c6c0","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74408","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74408","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fce041beb03f93c7a771f0b4b6c45bb71ef90901 fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fce041beb03f93c7a771f0b4b6c45bb71ef90901 734db72d55ca578a344dfa33e30145032c074b25 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fce041beb03f93c7a771f0b4b6c45bb71ef90901 f5931d06b45ed402572bfe5832fff15864ef5481 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fce041beb03f93c7a771f0b4b6c45bb71ef90901 46ca1451f61b598f45cb5259e066d305444d95fc git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* 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/ath/ath9k/xmit.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"},{"lessThan":"734db72d55ca578a344dfa33e30145032c074b25","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"},{"lessThan":"f5931d06b45ed402572bfe5832fff15864ef5481","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"},{"lessThan":"46ca1451f61b598f45cb5259e066d305444d95fc","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"},{"lessThan":"a9e055ac62cb3fcea262d4b687ec73eed82b3379","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"},{"lessThan":"5435fd3edcb11c7cc4002847c83e9a50b49284dc","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"},{"lessThan":"336d4c8cd9b1646060ee690c881d465dfc09c6c0","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"},{"lessThan":"7ce2f118a2389e8f0a64068c6fe7cc7d40639be0","status":"affected","version":"fce041beb03f93c7a771f0b4b6c45bb71ef90901","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath9k/xmit.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.1"},{"lessThan":"3.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","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":"5.10.261","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"3.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"3.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: fix OOB access from firmware tx status queue ID\n\nath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a\n4-bit hardware field (0-15), but the txq array only has\nATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array\naccess.\n\nAdd a bounds check on ts.qid before using it as an array index."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:59:16.701Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54"},{"url":"https://git.kernel.org/stable/c/734db72d55ca578a344dfa33e30145032c074b25"},{"url":"https://git.kernel.org/stable/c/f5931d06b45ed402572bfe5832fff15864ef5481"},{"url":"https://git.kernel.org/stable/c/46ca1451f61b598f45cb5259e066d305444d95fc"},{"url":"https://git.kernel.org/stable/c/a9e055ac62cb3fcea262d4b687ec73eed82b3379"},{"url":"https://git.kernel.org/stable/c/5435fd3edcb11c7cc4002847c83e9a50b49284dc"},{"url":"https://git.kernel.org/stable/c/336d4c8cd9b1646060ee690c881d465dfc09c6c0"},{"url":"https://git.kernel.org/stable/c/7ce2f118a2389e8f0a64068c6fe7cc7d40639be0"}],"title":"wifi: ath9k: fix OOB access from firmware tx status queue ID","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74408","datePublished":"2026-08-15T05:59:16.701Z","dateReserved":"2026-08-15T05:44:03.892Z","dateUpdated":"2026-08-15T05:59:16.701Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:42","lastModifiedDate":"2026-08-15 06:22:42","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74408","Ordinal":"1","Title":"wifi: ath9k: fix OOB access from firmware tx status queue ID","CVE":"CVE-2026-74408","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74408","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: fix OOB access from firmware tx status queue ID\n\nath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a\n4-bit hardware field (0-15), but the txq array only has\nATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array\naccess.\n\nAdd a bounds check on ts.qid before using it as an array index.","Type":"Description","Title":"wifi: ath9k: fix OOB access from firmware tx status queue ID"}]}}}