{"api_version":"1","generated_at":"2026-08-13T22:04:43+00:00","cve":"CVE-2026-68199","urls":{"html":"https://cve.report/CVE-2026-68199","api":"https://cve.report/api/cve/CVE-2026-68199.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68199","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68199"},"summary":{"title":"wifi: ath6kl: fix OOB access from firmware ADDBA window size","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath6kl: fix OOB access from firmware ADDBA window size\n\naggr_recv_addba_req_evt() logs a debug message when the firmware-supplied\nwin_sz is outside [AGGR_WIN_SZ_MIN, AGGR_WIN_SZ_MAX] but does not\nreturn. The out-of-range win_sz is then used in TID_WINDOW_SZ() to\ncompute a kzalloc size and stored in rxtid->hold_q_sz, leading to\nzero-size or overflowed allocations and subsequent out-of-bounds access.\n\nClean up any previously active aggregation session for the TID first,\nthen return early when win_sz is out of the valid range, instead of\nproceeding with a broken allocation size.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:07","updated_at":"2026-08-10 13:20:07"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/44126b6994eeb28f2103b638e698f40a1244f327","name":"https://git.kernel.org/stable/c/44126b6994eeb28f2103b638e698f40a1244f327","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/cec0a487cf38ac1f9bca240ffe8a94c5014b72f2","name":"https://git.kernel.org/stable/c/cec0a487cf38ac1f9bca240ffe8a94c5014b72f2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/58c6c8dc2e022e1b4f3dc58725a1ca49ff470f9c","name":"https://git.kernel.org/stable/c/58c6c8dc2e022e1b4f3dc58725a1ca49ff470f9c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d4558c140782180e2c80a7588a4af9f8675adfc4","name":"https://git.kernel.org/stable/c/d4558c140782180e2c80a7588a4af9f8675adfc4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5a65fd4722416061698b0a3277222381efbc4882","name":"https://git.kernel.org/stable/c/5a65fd4722416061698b0a3277222381efbc4882","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68199","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68199","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bdcd81707973cf8aa9305337166f8ee842a050d4 d4558c140782180e2c80a7588a4af9f8675adfc4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bdcd81707973cf8aa9305337166f8ee842a050d4 5a65fd4722416061698b0a3277222381efbc4882 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bdcd81707973cf8aa9305337166f8ee842a050d4 58c6c8dc2e022e1b4f3dc58725a1ca49ff470f9c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bdcd81707973cf8aa9305337166f8ee842a050d4 cec0a487cf38ac1f9bca240ffe8a94c5014b72f2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected bdcd81707973cf8aa9305337166f8ee842a050d4 44126b6994eeb28f2103b638e698f40a1244f327 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 3.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc5 * 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/ath6kl/txrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d4558c140782180e2c80a7588a4af9f8675adfc4","status":"affected","version":"bdcd81707973cf8aa9305337166f8ee842a050d4","versionType":"git"},{"lessThan":"5a65fd4722416061698b0a3277222381efbc4882","status":"affected","version":"bdcd81707973cf8aa9305337166f8ee842a050d4","versionType":"git"},{"lessThan":"58c6c8dc2e022e1b4f3dc58725a1ca49ff470f9c","status":"affected","version":"bdcd81707973cf8aa9305337166f8ee842a050d4","versionType":"git"},{"lessThan":"cec0a487cf38ac1f9bca240ffe8a94c5014b72f2","status":"affected","version":"bdcd81707973cf8aa9305337166f8ee842a050d4","versionType":"git"},{"lessThan":"44126b6994eeb28f2103b638e698f40a1244f327","status":"affected","version":"bdcd81707973cf8aa9305337166f8ee842a050d4","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath6kl/txrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.2"},{"lessThan":"3.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"3.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"3.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"3.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"3.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc5","versionStartIncluding":"3.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath6kl: fix OOB access from firmware ADDBA window size\n\naggr_recv_addba_req_evt() logs a debug message when the firmware-supplied\nwin_sz is outside [AGGR_WIN_SZ_MIN, AGGR_WIN_SZ_MAX] but does not\nreturn. The out-of-range win_sz is then used in TID_WINDOW_SZ() to\ncompute a kzalloc size and stored in rxtid->hold_q_sz, leading to\nzero-size or overflowed allocations and subsequent out-of-bounds access.\n\nClean up any previously active aggregation session for the TID first,\nthen return early when win_sz is out of the valid range, instead of\nproceeding with a broken allocation size."}],"providerMetadata":{"dateUpdated":"2026-08-10T12:00:18.278Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d4558c140782180e2c80a7588a4af9f8675adfc4"},{"url":"https://git.kernel.org/stable/c/5a65fd4722416061698b0a3277222381efbc4882"},{"url":"https://git.kernel.org/stable/c/58c6c8dc2e022e1b4f3dc58725a1ca49ff470f9c"},{"url":"https://git.kernel.org/stable/c/cec0a487cf38ac1f9bca240ffe8a94c5014b72f2"},{"url":"https://git.kernel.org/stable/c/44126b6994eeb28f2103b638e698f40a1244f327"}],"title":"wifi: ath6kl: fix OOB access from firmware ADDBA window size","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68199","datePublished":"2026-08-10T12:00:18.278Z","dateReserved":"2026-07-30T09:28:09.374Z","dateUpdated":"2026-08-10T12:00:18.278Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:07","lastModifiedDate":"2026-08-10 13:20:07","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68199","Ordinal":"1","Title":"wifi: ath6kl: fix OOB access from firmware ADDBA window size","CVE":"CVE-2026-68199","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68199","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath6kl: fix OOB access from firmware ADDBA window size\n\naggr_recv_addba_req_evt() logs a debug message when the firmware-supplied\nwin_sz is outside [AGGR_WIN_SZ_MIN, AGGR_WIN_SZ_MAX] but does not\nreturn. The out-of-range win_sz is then used in TID_WINDOW_SZ() to\ncompute a kzalloc size and stored in rxtid->hold_q_sz, leading to\nzero-size or overflowed allocations and subsequent out-of-bounds access.\n\nClean up any previously active aggregation session for the TID first,\nthen return early when win_sz is out of the valid range, instead of\nproceeding with a broken allocation size.","Type":"Description","Title":"wifi: ath6kl: fix OOB access from firmware ADDBA window size"}]}}}