{"id":"CVE-2023-53589","revision":"335ecb329b0543538d7dfdad46157560","records":[{"revision":"335ecb329b0543538d7dfdad46157560","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-53589","aliases":[],"title":"wifi: iwlwifi: mvm: don't trust firmware n_channels","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: don't trust firmware n_channels\n\nIf the firmware sends us a corrupted MCC response with\nn_channels much larger than the command response can be,\nwe might copy far too much (uninitialized) memory and\neven crash if the n_channels is large enough to make it\nrun out of the one page allocated for the FW response.\n\nFix that by checking the lengths. Doing a < comparison\nwould be sufficient, but the firmware should be doing\nit correctly, so check more strictly.","state":0,"publishedAt":"2025-10-04T15:44:04.047+00:00","modifiedAt":"2026-10-15T21:41:31.264+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/iwlwifi/mvm/nvm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"dcaf9f5ecb6f395152609bdc40660d9b593dca63\",\n                            \"lessThan\": \"e519a404a5bbba37693cb10fa61794a5fce4fd9b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcaf9f5ecb6f395152609bdc40660d9b593dca63\",\n                            \"lessThan\": \"d0d39bed9e95f27a246be91c5929254ac043ed30\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcaf9f5ecb6f395152609bdc40660d9b593dca63\",\n                            \"lessThan\": \"05ad5a4d421ce65652fcb24d46b7e273130240d6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcaf9f5ecb6f395152609bdc40660d9b593dca63\",\n                            \"lessThan\": \"557ba100d8cf3661ff8d71c0b4a2cba8db555ec2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcaf9f5ecb6f395152609bdc40660d9b593dca63\",\n                            \"lessThan\": \"c176f03350954b795322de0bfe1d7b514db41f45\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"dcaf9f5ecb6f395152609bdc40660d9b593dca63\",\n                            \"lessThan\": \"682b6dc29d98e857e6ca4bbc077c7dc2899b7473\",\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/iwlwifi/mvm/nvm.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.244\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.181\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.113\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.30\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.3.4\",\n                            \"lessThanOrEqual\": \"6.3.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.4\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/e519a404a5bbba37693cb10fa61794a5fce4fd9b","https://git.kernel.org/stable/c/d0d39bed9e95f27a246be91c5929254ac043ed30","https://git.kernel.org/stable/c/05ad5a4d421ce65652fcb24d46b7e273130240d6","https://git.kernel.org/stable/c/557ba100d8cf3661ff8d71c0b4a2cba8db555ec2","https://git.kernel.org/stable/c/c176f03350954b795322de0bfe1d7b514db41f45","https://git.kernel.org/stable/c/682b6dc29d98e857e6ca4bbc077c7dc2899b7473"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53589","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-53589","identifiers":["CVE-2023-53589"]},"retained":false,"historicalAffected":[]}],"coverage":[]}