{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93802",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-18T17:59:28.789Z",
        "datePublished": "2026-09-24T16:02:36.341Z",
        "dateUpdated": "2026-10-03T10:57:35.833Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-03T10:57:35.833Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rsi: validate beacon length before fixed buffer copy\n\nrsi_prepare_beacon() copies the mac80211 beacon frame after\nFRAME_DESC_SZ into a management skb whose usable tailroom may be smaller\nthan MAX_MGMT_PKT_SIZE after alignment.\n\nValidate the beacon length against the actual tailroom before the copy\nand skb_put(). Leave ownership of the management skb with the caller on\nerror, matching the existing rsi_send_beacon() cleanup path."
                }
            ],
            "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_hal.c"
                    ],
                    "versions": [
                        {
                            "version": "d26a9559403c7c3ec3b430f5825bc22c3d40abdb",
                            "lessThan": "795ba65f46fe44061f1195951c122cc8ec685d44",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d26a9559403c7c3ec3b430f5825bc22c3d40abdb",
                            "lessThan": "66a964432b2758a4cf69962366e37581d6e70632",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d26a9559403c7c3ec3b430f5825bc22c3d40abdb",
                            "lessThan": "7f99742c3c2801f8033d8b7a0a58254d7f24fb1e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d26a9559403c7c3ec3b430f5825bc22c3d40abdb",
                            "lessThan": "f08d7f3c916335a0e539f1c45c130615967fac47",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d26a9559403c7c3ec3b430f5825bc22c3d40abdb",
                            "lessThan": "87710ad633ce4588aec88611d0d0745eb33a6991",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d26a9559403c7c3ec3b430f5825bc22c3d40abdb",
                            "lessThan": "266f195d5a14eec6c482fd09fbc924584c3371a7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d26a9559403c7c3ec3b430f5825bc22c3d40abdb",
                            "lessThan": "8ecdeb8b8a33b22c597299043c0dcfce50beb9ea",
                            "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_hal.c"
                    ],
                    "versions": [
                        {
                            "version": "4.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.14",
                            "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": "4.14",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/795ba65f46fe44061f1195951c122cc8ec685d44"
                },
                {
                    "url": "https://git.kernel.org/stable/c/66a964432b2758a4cf69962366e37581d6e70632"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7f99742c3c2801f8033d8b7a0a58254d7f24fb1e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f08d7f3c916335a0e539f1c45c130615967fac47"
                },
                {
                    "url": "https://git.kernel.org/stable/c/87710ad633ce4588aec88611d0d0745eb33a6991"
                },
                {
                    "url": "https://git.kernel.org/stable/c/266f195d5a14eec6c482fd09fbc924584c3371a7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8ecdeb8b8a33b22c597299043c0dcfce50beb9ea"
                }
            ],
            "title": "wifi: rsi: validate beacon length before fixed buffer copy",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}