{"id":"CVE-2026-46166","revision":"d0ccf0458a534951b01025576c3df43f","records":[{"revision":"d0ccf0458a534951b01025576c3df43f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-46166","aliases":[],"title":"wifi: mac80211: use safe list iteration in radar detect work","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: use safe list iteration in radar detect work\n\nThe call to ieee80211_dfs_cac_cancel can cause the iterated chanctx to\nbe freed and removed from the list. Guard against this to avoid a\nslab-use-after-free error.","state":0,"publishedAt":"2026-05-28T09:36:21.675+00:00","modifiedAt":"2026-10-19T19:36:53.276+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                        \"net/mac80211/util.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"bca8bc0399ac2efd56e6adbed0307e10125a556c\",\n                            \"lessThan\": \"887ece6c23b49d02a6678e7a8d5ad213d75883ce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bca8bc0399ac2efd56e6adbed0307e10125a556c\",\n                            \"lessThan\": \"7577a4b8a10fab45a6ee2045ea038a5adadbb585\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bca8bc0399ac2efd56e6adbed0307e10125a556c\",\n                            \"lessThan\": \"120149fb3ebcf674832ca3cafd32bedcdb686dde\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"bca8bc0399ac2efd56e6adbed0307e10125a556c\",\n                            \"lessThan\": \"ac8eb3e18f41e2cc8492cc1d358bcb786c850270\",\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                        \"net/mac80211/util.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.88\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.30\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.0.7\",\n                            \"lessThanOrEqual\": \"7.0.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1\",\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/887ece6c23b49d02a6678e7a8d5ad213d75883ce","https://git.kernel.org/stable/c/7577a4b8a10fab45a6ee2045ea038a5adadbb585","https://git.kernel.org/stable/c/120149fb3ebcf674832ca3cafd32bedcdb686dde","https://git.kernel.org/stable/c/ac8eb3e18f41e2cc8492cc1d358bcb786c850270"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-46166","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-46166","identifiers":["CVE-2026-46166"]},"retained":false,"historicalAffected":[]}],"coverage":[]}