{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74341", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.886Z", "datePublished": "2026-08-15T05:58:31.238Z", "dateUpdated": "2026-08-15T05:58:31.238Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:58:31.238Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/ath/wcn36xx/smd.c"], "versions": [{"version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "lessThan": "dae9cadf0925f1cbfb71306d60490890df3870a6", "status": "affected", "versionType": "git"}, {"version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "lessThan": "cfc67aee0c83e7f5d43a1dad3e25c789e9cc1d92", "status": "affected", "versionType": "git"}, {"version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "lessThan": "15545ee71301e82d26d9a31b407ed0019eb62a60", "status": "affected", "versionType": "git"}, {"version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "lessThan": "1b5d8a248c3afa640bcc99fa95abcd1e36f3ee18", "status": "affected", "versionType": "git"}, {"version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "lessThan": "18813b90032bfaafb225906a4d2b51be4dfc02c3", "status": "affected", "versionType": "git"}, {"version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "lessThan": "88a240d86d3d64521f9194abe185ac71cc74d0bd", "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/ath/wcn36xx/smd.c"], "versions": [{"version": "3.13", "status": "affected"}, {"version": "0", "lessThan": "3.13", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "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-rc1", "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": "3.13", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.13", "versionEndExcluding": "7.2-rc1"}]}]}], "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"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/ath/wcn36xx/smd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "dae9cadf0925f1cbfb71306d60490890df3870a6", "status": "affected", "version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "versionType": "git"}, {"lessThan": "cfc67aee0c83e7f5d43a1dad3e25c789e9cc1d92", "status": "affected", "version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "versionType": "git"}, {"lessThan": "15545ee71301e82d26d9a31b407ed0019eb62a60", "status": "affected", "version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "versionType": "git"}, {"lessThan": "1b5d8a248c3afa640bcc99fa95abcd1e36f3ee18", "status": "affected", "version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "versionType": "git"}, {"lessThan": "18813b90032bfaafb225906a4d2b51be4dfc02c3", "status": "affected", "version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "versionType": "git"}, {"lessThan": "88a240d86d3d64521f9194abe185ac71cc74d0bd", "status": "affected", "version": "8e84c25821698bdef73c0329fb2022a4673b7adc", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/ath/wcn36xx/smd.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.13"}, {"lessThan": "3.13", "status": "unaffected", "version": "0", "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"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-74341", "lastModified": "2026-08-15T06:22:35.127", "metrics": {}, "published": "2026-08-15T06:22:35.127", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/15545ee71301e82d26d9a31b407ed0019eb62a60"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/18813b90032bfaafb225906a4d2b51be4dfc02c3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b5d8a248c3afa640bcc99fa95abcd1e36f3ee18"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/88a240d86d3d64521f9194abe185ac71cc74d0bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cfc67aee0c83e7f5d43a1dad3e25c789e9cc1d92"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dae9cadf0925f1cbfb71306d60490890df3870a6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}