{"id":"CVE-2026-93803","revision":"cdbad9e3a6d647ecbc336de9cbf370c8","records":[{"revision":"cdbad9e3a6d647ecbc336de9cbf370c8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93803","aliases":[],"title":"wifi: libipw: fix key index receive bound checks","description":"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.","state":0,"publishedAt":"2026-09-24T16:02:37.324+00:00","modifiedAt":"2026-10-03T10:57:36.957+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/intel/ipw2x00/libipw_rx.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"b453872c35cfcbdbf5a794737817f7d4e7b1b579\",\n                            \"lessThan\": \"bb18262c19feb690ddde58c70e3ad04bc6fe566e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b453872c35cfcbdbf5a794737817f7d4e7b1b579\",\n                            \"lessThan\": \"09d4a1bc3a08bb0e19bdf250b9f575cfef0bae82\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b453872c35cfcbdbf5a794737817f7d4e7b1b579\",\n                            \"lessThan\": \"2836a870f612a8a6d9e390d00fa2cf6c90aa5808\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b453872c35cfcbdbf5a794737817f7d4e7b1b579\",\n                            \"lessThan\": \"0b61c465ea62063593bc9ac186871b69e58ae991\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b453872c35cfcbdbf5a794737817f7d4e7b1b579\",\n                            \"lessThan\": \"062840bdc9ee06169b3c371bf66711f1d7ec0bf4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b453872c35cfcbdbf5a794737817f7d4e7b1b579\",\n                            \"lessThan\": \"c54b643e9a0936d038921c547736574fd7382cea\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b453872c35cfcbdbf5a794737817f7d4e7b1b579\",\n                            \"lessThan\": \"74ed3669f26803b1761c1f55403062bea44c3466\",\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/intel/ipw2x00/libipw_rx.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.14\",\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/bb18262c19feb690ddde58c70e3ad04bc6fe566e","https://git.kernel.org/stable/c/09d4a1bc3a08bb0e19bdf250b9f575cfef0bae82","https://git.kernel.org/stable/c/2836a870f612a8a6d9e390d00fa2cf6c90aa5808","https://git.kernel.org/stable/c/0b61c465ea62063593bc9ac186871b69e58ae991","https://git.kernel.org/stable/c/062840bdc9ee06169b3c371bf66711f1d7ec0bf4","https://git.kernel.org/stable/c/c54b643e9a0936d038921c547736574fd7382cea","https://git.kernel.org/stable/c/74ed3669f26803b1761c1f55403062bea44c3466"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93803","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93803","identifiers":["CVE-2026-93803"]},"retained":false,"historicalAffected":[]}],"coverage":[]}