{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-93803",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-18T17:59:28.789Z",
        "datePublished": "2026-09-24T16:02:37.324Z",
        "dateUpdated": "2026-10-03T10:57:36.957Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-03T10:57:36.957Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: libipw: fix key index receive bound checks\n\nlibipw_rx() reads skb->data[hdrlen + 3] to extract the WEP key index in\nboth the software-decrypt key selection path and the hardware-decrypted\nIV/ICV strip path. In both places the existing guard only checks\nskb->len >= hdrlen + 3, which proves bytes up to hdrlen + 2 but not the\nbyte at hdrlen + 3.\n\nRequire hdrlen + 4 bytes before reading that item in both paths. This is\na local source-boundary check only; it does not change the key index\nsemantics."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/intel/ipw2x00/libipw_rx.c"
                    ],
                    "versions": [
                        {
                            "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579",
                            "lessThan": "bb18262c19feb690ddde58c70e3ad04bc6fe566e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579",
                            "lessThan": "09d4a1bc3a08bb0e19bdf250b9f575cfef0bae82",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579",
                            "lessThan": "2836a870f612a8a6d9e390d00fa2cf6c90aa5808",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579",
                            "lessThan": "0b61c465ea62063593bc9ac186871b69e58ae991",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579",
                            "lessThan": "062840bdc9ee06169b3c371bf66711f1d7ec0bf4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579",
                            "lessThan": "c54b643e9a0936d038921c547736574fd7382cea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b453872c35cfcbdbf5a794737817f7d4e7b1b579",
                            "lessThan": "74ed3669f26803b1761c1f55403062bea44c3466",
                            "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/intel/ipw2x00/libipw_rx.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.14",
                            "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": "2.6.14",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.14",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/bb18262c19feb690ddde58c70e3ad04bc6fe566e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/09d4a1bc3a08bb0e19bdf250b9f575cfef0bae82"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2836a870f612a8a6d9e390d00fa2cf6c90aa5808"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0b61c465ea62063593bc9ac186871b69e58ae991"
                },
                {
                    "url": "https://git.kernel.org/stable/c/062840bdc9ee06169b3c371bf66711f1d7ec0bf4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c54b643e9a0936d038921c547736574fd7382cea"
                },
                {
                    "url": "https://git.kernel.org/stable/c/74ed3669f26803b1761c1f55403062bea44c3466"
                }
            ],
            "title": "wifi: libipw: fix key index receive bound checks",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}