{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93807",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-18T17:59:28.790Z",
        "datePublished": "2026-09-24T16:02:41.356Z",
        "dateUpdated": "2026-10-03T10:57:40.321Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-03T10:57:40.321Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/rsi/rsi_91x_mgmt.c"
                    ],
                    "versions": [
                        {
                            "version": "dad0d04fa7ba41ce603a01e8e64967650303e9a2",
                            "lessThan": "6937b06d55b528e961feff8cc083b97ede622e02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dad0d04fa7ba41ce603a01e8e64967650303e9a2",
                            "lessThan": "ebd7172f8c4edc232738ef50338fb773c6f6c208",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dad0d04fa7ba41ce603a01e8e64967650303e9a2",
                            "lessThan": "6b6690ac5c35e803df14afdc44312d11e8a60893",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dad0d04fa7ba41ce603a01e8e64967650303e9a2",
                            "lessThan": "5207727e53fba1e3a6fce9b2c15b6b8b06c6438b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dad0d04fa7ba41ce603a01e8e64967650303e9a2",
                            "lessThan": "5902e3c08c63d65724772f74d65b9fb032625dca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dad0d04fa7ba41ce603a01e8e64967650303e9a2",
                            "lessThan": "55b86ef6c2e68879ffd95203b011ef42a013ab88",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dad0d04fa7ba41ce603a01e8e64967650303e9a2",
                            "lessThan": "843fe9bc583b7686ca68312ac9319c9240a73c03",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/rsi/rsi_91x_mgmt.c"
                    ],
                    "versions": [
                        {
                            "version": "3.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.15",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/6937b06d55b528e961feff8cc083b97ede622e02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ebd7172f8c4edc232738ef50338fb773c6f6c208"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6b6690ac5c35e803df14afdc44312d11e8a60893"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5207727e53fba1e3a6fce9b2c15b6b8b06c6438b"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5902e3c08c63d65724772f74d65b9fb032625dca"
                },
                {
                    "url": "https://git.kernel.org/stable/c/55b86ef6c2e68879ffd95203b011ef42a013ab88"
                },
                {
                    "url": "https://git.kernel.org/stable/c/843fe9bc583b7686ca68312ac9319c9240a73c03"
                }
            ],
            "title": "wifi: rsi: avoid reading TKIP MIC keys for non-TKIP ciphers",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}