{"id":"CVE-2026-98338","revision":"3a107715d5294e468d3d41f0b2ea7451","records":[{"revision":"3a107715d5294e468d3d41f0b2ea7451","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98338","aliases":[],"title":"wifi: cfg80211: ibss: ref BSS entry for joined event","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: cfg80211: ibss: ref BSS entry for joined event\n\nWhen the IBSS is joined, we only record the BSSID/channel in the event\nand look up the BSS entry when processing it. However, that's racy,\ne.g. a new scan with NL80211_SCAN_FLAG_FLUSH can remove it, causing a\nwarning in the event work:\n\n  !bss\n  WARNING: net/wireless/ibss.c:37 at __cfg80211_ibss_joined+0x3d3/0x440\n  Workqueue: cfg80211 cfg80211_event_work\n   cfg80211_process_wdev_events+0x39f/0x5b0 net/wireless/util.c:1144\n   cfg80211_process_rdev_events+0xa1/0x110 net/wireless/util.c:1179\n   cfg80211_event_work+0x2f/0x40 net/wireless/core.c:393\n\nDo the lookup early (the driver is expected to only join an IBSS that\nhas a BSS entry) and keep a reference to it.","state":0,"publishedAt":"2026-10-06T08:46:29.213+00:00","modifiedAt":"2026-10-19T09:17:49.327+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/wireless/core.h\",\n                        \"net/wireless/ibss.c\",\n                        \"net/wireless/util.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"667503ddcb96f3b10211f997fe55907fa7509841\",\n                            \"lessThan\": \"b0e3f019e461ac42e45aa3ec1216cefaca2f4a8b\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"667503ddcb96f3b10211f997fe55907fa7509841\",\n                            \"lessThan\": \"708f9d43d6a2eb9c6b83fe62af628de9dffd9314\",\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/wireless/core.h\",\n                        \"net/wireless/ibss.c\",\n                        \"net/wireless/util.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2.6.32\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"2.6.32\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.8\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/b0e3f019e461ac42e45aa3ec1216cefaca2f4a8b","https://git.kernel.org/stable/c/708f9d43d6a2eb9c6b83fe62af628de9dffd9314"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98338","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98338","identifiers":["CVE-2026-98338"]},"retained":false,"historicalAffected":[]}],"coverage":[]}