{"id":"CVE-2026-93802","revision":"a3190b2d836a4d67a52af08550e05f30","records":[{"revision":"a3190b2d836a4d67a52af08550e05f30","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-93802","aliases":[],"title":"wifi: rsi: validate beacon length before fixed buffer copy","description":"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.","state":0,"publishedAt":"2026-09-24T16:02:36.341+00:00","modifiedAt":"2026-10-03T10:57:35.833+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_hal.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"d26a9559403c7c3ec3b430f5825bc22c3d40abdb\",\n                            \"lessThan\": \"795ba65f46fe44061f1195951c122cc8ec685d44\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d26a9559403c7c3ec3b430f5825bc22c3d40abdb\",\n                            \"lessThan\": \"66a964432b2758a4cf69962366e37581d6e70632\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d26a9559403c7c3ec3b430f5825bc22c3d40abdb\",\n                            \"lessThan\": \"7f99742c3c2801f8033d8b7a0a58254d7f24fb1e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d26a9559403c7c3ec3b430f5825bc22c3d40abdb\",\n                            \"lessThan\": \"f08d7f3c916335a0e539f1c45c130615967fac47\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d26a9559403c7c3ec3b430f5825bc22c3d40abdb\",\n                            \"lessThan\": \"87710ad633ce4588aec88611d0d0745eb33a6991\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d26a9559403c7c3ec3b430f5825bc22c3d40abdb\",\n                            \"lessThan\": \"266f195d5a14eec6c482fd09fbc924584c3371a7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"d26a9559403c7c3ec3b430f5825bc22c3d40abdb\",\n                            \"lessThan\": \"8ecdeb8b8a33b22c597299043c0dcfce50beb9ea\",\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_hal.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.14\",\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/795ba65f46fe44061f1195951c122cc8ec685d44","https://git.kernel.org/stable/c/66a964432b2758a4cf69962366e37581d6e70632","https://git.kernel.org/stable/c/7f99742c3c2801f8033d8b7a0a58254d7f24fb1e","https://git.kernel.org/stable/c/f08d7f3c916335a0e539f1c45c130615967fac47","https://git.kernel.org/stable/c/87710ad633ce4588aec88611d0d0745eb33a6991","https://git.kernel.org/stable/c/266f195d5a14eec6c482fd09fbc924584c3371a7","https://git.kernel.org/stable/c/8ecdeb8b8a33b22c597299043c0dcfce50beb9ea"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-93802","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-93802","identifiers":["CVE-2026-93802"]},"retained":false,"historicalAffected":[]}],"coverage":[]}