{"api_version":"1","generated_at":"2026-08-15T10:57:11+00:00","cve":"CVE-2026-74341","urls":{"html":"https://cve.report/CVE-2026-74341","api":"https://cve.report/api/cve/CVE-2026-74341.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74341","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74341"},"summary":{"title":"wifi: wcn36xx: fix heap overflow from oversized firmware HAL response","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wcn36xx: fix heap overflow from oversized firmware HAL response\n\nThe firmware response dispatcher copies all synchronous HAL responses\ninto the 4096-byte hal_buf without validating the response length. A\nresponse exceeding WCN36XX_HAL_BUF_SIZE causes a heap buffer overflow\nwith firmware-controlled content.\n\nAdd a bounds check on the response length.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:35","updated_at":"2026-08-15 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74341","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8e84c25821698bdef73c0329fb2022a4673b7adc dae9cadf0925f1cbfb71306d60490890df3870a6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8e84c25821698bdef73c0329fb2022a4673b7adc cfc67aee0c83e7f5d43a1dad3e25c789e9cc1d92 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8e84c25821698bdef73c0329fb2022a4673b7adc 15545ee71301e82d26d9a31b407ed0019eb62a60 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8e84c25821698bdef73c0329fb2022a4673b7adc 1b5d8a248c3afa640bcc99fa95abcd1e36f3ee18 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wcn36xx: fix heap overflow from oversized firmware HAL response\n\nThe firmware response dispatcher copies all synchronous HAL responses\ninto the 4096-byte hal_buf without validating the response length. A\nresponse exceeding WCN36XX_HAL_BUF_SIZE causes a heap buffer overflow\nwith firmware-controlled content.\n\nAdd a bounds check on the response length."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:31.238Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/dae9cadf0925f1cbfb71306d60490890df3870a6"},{"url":"https://git.kernel.org/stable/c/cfc67aee0c83e7f5d43a1dad3e25c789e9cc1d92"},{"url":"https://git.kernel.org/stable/c/15545ee71301e82d26d9a31b407ed0019eb62a60"},{"url":"https://git.kernel.org/stable/c/1b5d8a248c3afa640bcc99fa95abcd1e36f3ee18"},{"url":"https://git.kernel.org/stable/c/18813b90032bfaafb225906a4d2b51be4dfc02c3"},{"url":"https://git.kernel.org/stable/c/88a240d86d3d64521f9194abe185ac71cc74d0bd"}],"title":"wifi: wcn36xx: fix heap overflow from oversized firmware HAL response","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74341","datePublished":"2026-08-15T05:58:31.238Z","dateReserved":"2026-08-15T05:44:03.886Z","dateUpdated":"2026-08-15T05:58:31.238Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:35","lastModifiedDate":"2026-08-15 06:22:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74341","Ordinal":"1","Title":"wifi: wcn36xx: fix heap overflow from oversized firmware HAL res","CVE":"CVE-2026-74341","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74341","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wcn36xx: fix heap overflow from oversized firmware HAL response\n\nThe firmware response dispatcher copies all synchronous HAL responses\ninto the 4096-byte hal_buf without validating the response length. A\nresponse exceeding WCN36XX_HAL_BUF_SIZE causes a heap buffer overflow\nwith firmware-controlled content.\n\nAdd a bounds check on the response length.","Type":"Description","Title":"wifi: wcn36xx: fix heap overflow from oversized firmware HAL res"}]}}}