{"id":"CVE-2026-93807","revision":"120f62fe232e4b9ca9e39c024aa51229","records":[{"revision":"120f62fe232e4b9ca9e39c024aa51229","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93807","aliases":[],"title":"wifi: rsi: avoid reading TKIP MIC keys for non-TKIP ciphers","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rsi: avoid reading TKIP MIC keys for non-TKIP ciphers\n\nrsi_hal_load_key() copies tx_mic_key and rx_mic_key from data[16] and\ndata[24] whenever key data is present. Those offsets are only part of\nthe 32-byte TKIP key layout. Shorter keys used by other ciphers, such as\nCCMP, do not provide those bytes, so the unconditional copies can read\npast the supplied key buffer.\n\nOnly copy the MIC keys for TKIP, and reject malformed TKIP keys that are\nshorter than the expected 32-byte layout.\n\n[drop useless length check]","state":0,"publishedAt":"2026-09-24T16:02:41.356+00:00","modifiedAt":"2026-10-03T10:57:40.321+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/rsi/rsi_91x_mgmt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"dad0d04fa7ba41ce603a01e8e64967650303e9a2\",\n                            \"lessThan\": \"6937b06d55b528e961feff8cc083b97ede622e02\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dad0d04fa7ba41ce603a01e8e64967650303e9a2\",\n                            \"lessThan\": \"ebd7172f8c4edc232738ef50338fb773c6f6c208\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dad0d04fa7ba41ce603a01e8e64967650303e9a2\",\n                            \"lessThan\": \"6b6690ac5c35e803df14afdc44312d11e8a60893\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dad0d04fa7ba41ce603a01e8e64967650303e9a2\",\n                            \"lessThan\": \"5207727e53fba1e3a6fce9b2c15b6b8b06c6438b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dad0d04fa7ba41ce603a01e8e64967650303e9a2\",\n                            \"lessThan\": \"5902e3c08c63d65724772f74d65b9fb032625dca\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dad0d04fa7ba41ce603a01e8e64967650303e9a2\",\n                            \"lessThan\": \"55b86ef6c2e68879ffd95203b011ef42a013ab88\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dad0d04fa7ba41ce603a01e8e64967650303e9a2\",\n                            \"lessThan\": \"843fe9bc583b7686ca68312ac9319c9240a73c03\",\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/rsi/rsi_91x_mgmt.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.15\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.15\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.271\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\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":[],"references":["https://git.kernel.org/stable/c/6937b06d55b528e961feff8cc083b97ede622e02","https://git.kernel.org/stable/c/ebd7172f8c4edc232738ef50338fb773c6f6c208","https://git.kernel.org/stable/c/6b6690ac5c35e803df14afdc44312d11e8a60893","https://git.kernel.org/stable/c/5207727e53fba1e3a6fce9b2c15b6b8b06c6438b","https://git.kernel.org/stable/c/5902e3c08c63d65724772f74d65b9fb032625dca","https://git.kernel.org/stable/c/55b86ef6c2e68879ffd95203b011ef42a013ab88","https://git.kernel.org/stable/c/843fe9bc583b7686ca68312ac9319c9240a73c03"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93807","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93807","identifiers":["CVE-2026-93807"]},"retained":false,"historicalAffected":[]}],"coverage":[]}