{"id":"CVE-2026-68199","revision":"5442bca41e214e3d8a732bd77bc47dcc","records":[{"revision":"5442bca41e214e3d8a732bd77bc47dcc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68199","aliases":[],"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":0,"publishedAt":"2026-08-10T12:00:18.278+00:00","modifiedAt":"2026-10-19T20:58:56.656+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/ath/ath6kl/txrx.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"c8e3ca7954d8233fbc54bd370c1827670f43c538\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"f480d9910fcfe326db3a6281df80e83af347193e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"67bc9af4f41f2bdba20404fbd753b2a1bd6dd352\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"d4558c140782180e2c80a7588a4af9f8675adfc4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"5a65fd4722416061698b0a3277222381efbc4882\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"58c6c8dc2e022e1b4f3dc58725a1ca49ff470f9c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"cec0a487cf38ac1f9bca240ffe8a94c5014b72f2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n                            \"lessThan\": \"44126b6994eeb28f2103b638e698f40a1244f327\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/wireless/ath/ath6kl/txrx.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.265\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.216\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.148\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.101\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.42\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.6\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/c8e3ca7954d8233fbc54bd370c1827670f43c538","https://git.kernel.org/stable/c/f480d9910fcfe326db3a6281df80e83af347193e","https://git.kernel.org/stable/c/67bc9af4f41f2bdba20404fbd753b2a1bd6dd352","https://git.kernel.org/stable/c/d4558c140782180e2c80a7588a4af9f8675adfc4","https://git.kernel.org/stable/c/5a65fd4722416061698b0a3277222381efbc4882","https://git.kernel.org/stable/c/58c6c8dc2e022e1b4f3dc58725a1ca49ff470f9c","https://git.kernel.org/stable/c/cec0a487cf38ac1f9bca240ffe8a94c5014b72f2","https://git.kernel.org/stable/c/44126b6994eeb28f2103b638e698f40a1244f327"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68199","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68199","identifiers":["CVE-2026-68199"]},"retained":false,"historicalAffected":[]}],"coverage":[]}