{"api_version":"1","generated_at":"2026-08-15T08:46:04+00:00","cve":"CVE-2026-74410","urls":{"html":"https://cve.report/CVE-2026-74410","api":"https://cve.report/api/cve/CVE-2026-74410.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74410","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74410"},"summary":{"title":"wifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer\n\nIn rtw_pci_rx_napi(), new_len is computed as the sum of pkt_len (14-bit\ndescriptor field, max 16383) and pkt_offset (drv_info_sz + shift, both\nfirmware-controlled). The result can exceed RTK_PCI_RX_BUF_SIZE (11478),\ncausing an out-of-bounds read from the pre-allocated DMA buffer when\nskb_put_data copies new_len bytes. The USB transport already validates\nthis (rtw_usb_rx_data_put checks against RTW_USB_MAX_RECVBUF_SZ); the\nPCIe path does not.\n\nAdd a check that new_len does not exceed the DMA buffer size.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:43","updated_at":"2026-08-15 06:22:43"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/913bd7d3d3d842b5c1d2b908a0201efa8fc79793","name":"https://git.kernel.org/stable/c/913bd7d3d3d842b5c1d2b908a0201efa8fc79793","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/01155ded5d4dad61840a9a3c33ab56778ef1f100","name":"https://git.kernel.org/stable/c/01155ded5d4dad61840a9a3c33ab56778ef1f100","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6e76e9ed273dfb4b3333a5ebbb94958cc5752ab6","name":"https://git.kernel.org/stable/c/6e76e9ed273dfb4b3333a5ebbb94958cc5752ab6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/26c183a86ea4dd1f2ff90c6f783649e7f5722a10","name":"https://git.kernel.org/stable/c/26c183a86ea4dd1f2ff90c6f783649e7f5722a10","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/45abc14ab3f15da7d689f1a8809c1a01240a94d9","name":"https://git.kernel.org/stable/c/45abc14ab3f15da7d689f1a8809c1a01240a94d9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6a3c384393d3f0b41669ed5a2e88744aad9d87c8","name":"https://git.kernel.org/stable/c/6a3c384393d3f0b41669ed5a2e88744aad9d87c8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/08193e733e5d4790e6c937af86d78793b02709be","name":"https://git.kernel.org/stable/c/08193e733e5d4790e6c937af86d78793b02709be","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1554fa522f16ec7c5c342ad33fe734eeb6eb2452","name":"https://git.kernel.org/stable/c/1554fa522f16ec7c5c342ad33fe734eeb6eb2452","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74410","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74410","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e3037485c68ec1a299ff41160d8fedbd4abc29b9 913bd7d3d3d842b5c1d2b908a0201efa8fc79793 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e3037485c68ec1a299ff41160d8fedbd4abc29b9 45abc14ab3f15da7d689f1a8809c1a01240a94d9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e3037485c68ec1a299ff41160d8fedbd4abc29b9 08193e733e5d4790e6c937af86d78793b02709be git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e3037485c68ec1a299ff41160d8fedbd4abc29b9 6a3c384393d3f0b41669ed5a2e88744aad9d87c8 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/realtek/rtw88/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"913bd7d3d3d842b5c1d2b908a0201efa8fc79793","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"},{"lessThan":"45abc14ab3f15da7d689f1a8809c1a01240a94d9","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"},{"lessThan":"08193e733e5d4790e6c937af86d78793b02709be","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"},{"lessThan":"6a3c384393d3f0b41669ed5a2e88744aad9d87c8","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"},{"lessThan":"26c183a86ea4dd1f2ff90c6f783649e7f5722a10","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"},{"lessThan":"01155ded5d4dad61840a9a3c33ab56778ef1f100","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"},{"lessThan":"1554fa522f16ec7c5c342ad33fe734eeb6eb2452","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"},{"lessThan":"6e76e9ed273dfb4b3333a5ebbb94958cc5752ab6","status":"affected","version":"e3037485c68ec1a299ff41160d8fedbd4abc29b9","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/realtek/rtw88/pci.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.2"},{"lessThan":"5.2","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":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"5.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer\n\nIn rtw_pci_rx_napi(), new_len is computed as the sum of pkt_len (14-bit\ndescriptor field, max 16383) and pkt_offset (drv_info_sz + shift, both\nfirmware-controlled). The result can exceed RTK_PCI_RX_BUF_SIZE (11478),\ncausing an out-of-bounds read from the pre-allocated DMA buffer when\nskb_put_data copies new_len bytes. The USB transport already validates\nthis (rtw_usb_rx_data_put checks against RTW_USB_MAX_RECVBUF_SZ); the\nPCIe path does not.\n\nAdd a check that new_len does not exceed the DMA buffer size."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:59:18.039Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/913bd7d3d3d842b5c1d2b908a0201efa8fc79793"},{"url":"https://git.kernel.org/stable/c/45abc14ab3f15da7d689f1a8809c1a01240a94d9"},{"url":"https://git.kernel.org/stable/c/08193e733e5d4790e6c937af86d78793b02709be"},{"url":"https://git.kernel.org/stable/c/6a3c384393d3f0b41669ed5a2e88744aad9d87c8"},{"url":"https://git.kernel.org/stable/c/26c183a86ea4dd1f2ff90c6f783649e7f5722a10"},{"url":"https://git.kernel.org/stable/c/01155ded5d4dad61840a9a3c33ab56778ef1f100"},{"url":"https://git.kernel.org/stable/c/1554fa522f16ec7c5c342ad33fe734eeb6eb2452"},{"url":"https://git.kernel.org/stable/c/6e76e9ed273dfb4b3333a5ebbb94958cc5752ab6"}],"title":"wifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74410","datePublished":"2026-08-15T05:59:18.039Z","dateReserved":"2026-08-15T05:44:03.892Z","dateUpdated":"2026-08-15T05:59:18.039Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:43","lastModifiedDate":"2026-08-15 06:22:43","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74410","Ordinal":"1","Title":"wifi: rtw88: fix OOB read from firmware RX descriptor exceeding ","CVE":"CVE-2026-74410","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74410","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw88: fix OOB read from firmware RX descriptor exceeding DMA buffer\n\nIn rtw_pci_rx_napi(), new_len is computed as the sum of pkt_len (14-bit\ndescriptor field, max 16383) and pkt_offset (drv_info_sz + shift, both\nfirmware-controlled). The result can exceed RTK_PCI_RX_BUF_SIZE (11478),\ncausing an out-of-bounds read from the pre-allocated DMA buffer when\nskb_put_data copies new_len bytes. The USB transport already validates\nthis (rtw_usb_rx_data_put checks against RTW_USB_MAX_RECVBUF_SZ); the\nPCIe path does not.\n\nAdd a check that new_len does not exceed the DMA buffer size.","Type":"Description","Title":"wifi: rtw88: fix OOB read from firmware RX descriptor exceeding "}]}}}