{"id":"CVE-2026-68353","revision":null,"records":[{"revision":"68eec2db2bf04819af0dd6b1c035d365","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-68353","aliases":[],"title":"wifi: ath6kl: fix OOB read from firmware num_msg in TX complete handler","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath6kl: fix OOB read from firmware num_msg in TX complete handler\n\nThe firmware-controlled num_msg field (u8, 0-255) drives the loop in\nath6kl_wmi_tx_complete_event_rx() without validation against the buffer\nlength. This allows out-of-bounds reads of up to 1020 bytes past the\nWMI event buffer when the firmware sends an inflated num_msg.\n\nAdd a check that the buffer is large enough to hold the fixed struct\nand the num_msg variable-length entries.","state":0,"publishedAt":"2026-08-10T12:03:30.33+00:00","modifiedAt":"2026-10-19T21:09:06.001+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/wmi.c\"\n ],\n \"versions\": [\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"5297299c3fa6133275db0be99d69cd759b6cbfe9\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"35196a07603f8c94a4943093bc26d5b5826285f8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"0e0fc04af9b443c6b425f00fb604ff599bc80d1d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"69ac7ba3a3df6654e7daa82674575a8c4a1a63ea\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"289edc3c71344b89e6522891147cfb8f61b088bb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"eb636fbc443149b3501c3f97e26225ddcb314a0f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"c38b0d5c661951b5dd082bdf31f8a57a0ce6e540\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"bdcd81707973cf8aa9305337166f8ee842a050d4\",\n \"lessThan\": \"3a21c89215cc18f1a97c5e5bfd1da6d4f3d44495\",\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/wmi.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:N/A:H","score":8.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/5297299c3fa6133275db0be99d69cd759b6cbfe9","https://git.kernel.org/stable/c/35196a07603f8c94a4943093bc26d5b5826285f8","https://git.kernel.org/stable/c/0e0fc04af9b443c6b425f00fb604ff599bc80d1d","https://git.kernel.org/stable/c/69ac7ba3a3df6654e7daa82674575a8c4a1a63ea","https://git.kernel.org/stable/c/289edc3c71344b89e6522891147cfb8f61b088bb","https://git.kernel.org/stable/c/eb636fbc443149b3501c3f97e26225ddcb314a0f","https://git.kernel.org/stable/c/c38b0d5c661951b5dd082bdf31f8a57a0ce6e540","https://git.kernel.org/stable/c/3a21c89215cc18f1a97c5e5bfd1da6d4f3d44495"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-68353","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-68353","identifiers":["CVE-2026-68353"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-08T16:11:32.8669692+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-08T16:11:32.8669692+00:00","lastSuccessAt":"2026-11-08T16:11:33.0716184+00:00","error":null,"lastVerifiedAt":"2026-11-08T16:11:33.0716198+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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