{"api_version":"1","generated_at":"2026-08-04T13:06:51+00:00","cve":"CVE-2026-64506","urls":{"html":"https://cve.report/CVE-2026-64506","api":"https://cve.report/api/cve/CVE-2026-64506.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-64506","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-64506"},"summary":{"title":"wifi: rtw89: correct drop logic for malformed AMPDU frames","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: correct drop logic for malformed AMPDU frames\n\nThe previous commit aims to fix issue caused by malformed AMPDU frames.\nBut the drop logic fails to deal with the first AMPDU packet paired with\ncertain range of sequence number, and leads to unexpected packet drop.\nIt is more likely to encounter this failure when there are busy traffic\nduring rekey process and could lead to disconnection from the AP.\nFix this by adding a initial state judgement and only reset status\nduring pairwise rekey.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-07-25 10:17:36","updated_at":"2026-07-25 10:17:36"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/63ccdfac8677387dfdbd9d4336089e9823280704","name":"https://git.kernel.org/stable/c/63ccdfac8677387dfdbd9d4336089e9823280704","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/994994cfadaf1fd362dea9b8d9d633f85dc1b3c3","name":"https://git.kernel.org/stable/c/994994cfadaf1fd362dea9b8d9d633f85dc1b3c3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-64506","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64506","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bda294ed0ed05ada2a832b19a55dd4a6fa72b1a1 994994cfadaf1fd362dea9b8d9d633f85dc1b3c3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bda294ed0ed05ada2a832b19a55dd4a6fa72b1a1 63ccdfac8677387dfdbd9d4336089e9823280704 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.4 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":{"cve_year":"2026","cve_id":"64506","cve":"CVE-2026-64506","epss":"0.001610000","percentile":"0.057570000","score_date":"2026-07-29","updated_at":"2026-07-30 00:09:16"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/realtek/rtw89/core.c","drivers/net/wireless/realtek/rtw89/mac80211.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"994994cfadaf1fd362dea9b8d9d633f85dc1b3c3","status":"affected","version":"bda294ed0ed05ada2a832b19a55dd4a6fa72b1a1","versionType":"git"},{"lessThan":"63ccdfac8677387dfdbd9d4336089e9823280704","status":"affected","version":"bda294ed0ed05ada2a832b19a55dd4a6fa72b1a1","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/realtek/rtw89/core.c","drivers/net/wireless/realtek/rtw89/mac80211.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","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":"7.1.4","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: correct drop logic for malformed AMPDU frames\n\nThe previous commit aims to fix issue caused by malformed AMPDU frames.\nBut the drop logic fails to deal with the first AMPDU packet paired with\ncertain range of sequence number, and leads to unexpected packet drop.\nIt is more likely to encounter this failure when there are busy traffic\nduring rekey process and could lead to disconnection from the AP.\nFix this by adding a initial state judgement and only reset status\nduring pairwise rekey."}],"providerMetadata":{"dateUpdated":"2026-07-25T08:52:00.322Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/994994cfadaf1fd362dea9b8d9d633f85dc1b3c3"},{"url":"https://git.kernel.org/stable/c/63ccdfac8677387dfdbd9d4336089e9823280704"}],"title":"wifi: rtw89: correct drop logic for malformed AMPDU frames","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-64506","datePublished":"2026-07-25T08:52:00.322Z","dateReserved":"2026-07-19T15:36:31.793Z","dateUpdated":"2026-07-25T08:52:00.322Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-07-25 10:17:36","lastModifiedDate":"2026-07-25 10:17:36","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"64506","Ordinal":"1","Title":"wifi: rtw89: correct drop logic for malformed AMPDU frames","CVE":"CVE-2026-64506","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"64506","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: correct drop logic for malformed AMPDU frames\n\nThe previous commit aims to fix issue caused by malformed AMPDU frames.\nBut the drop logic fails to deal with the first AMPDU packet paired with\ncertain range of sequence number, and leads to unexpected packet drop.\nIt is more likely to encounter this failure when there are busy traffic\nduring rekey process and could lead to disconnection from the AP.\nFix this by adding a initial state judgement and only reset status\nduring pairwise rekey.","Type":"Description","Title":"wifi: rtw89: correct drop logic for malformed AMPDU frames"}]}}}