{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98338", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.342Z", "datePublished": "2026-10-06T08:46:29.213Z", "dateUpdated": "2026-10-06T08:46:29.213Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-06T08:46:29.213Z"}, "descriptions": [{"lang": "en", "value": "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/core.h", "net/wireless/ibss.c", "net/wireless/util.c"], "versions": [{"version": "667503ddcb96f3b10211f997fe55907fa7509841", "lessThan": "b0e3f019e461ac42e45aa3ec1216cefaca2f4a8b", "status": "affected", "versionType": "git"}, {"version": "667503ddcb96f3b10211f997fe55907fa7509841", "lessThan": "708f9d43d6a2eb9c6b83fe62af628de9dffd9314", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/core.h", "net/wireless/ibss.c", "net/wireless/util.c"], "versions": [{"version": "2.6.32", "status": "affected"}, {"version": "0", "lessThan": "2.6.32", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3-rc4", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.32", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.32", "versionEndExcluding": "7.3-rc4"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b0e3f019e461ac42e45aa3ec1216cefaca2f4a8b"}, {"url": "https://git.kernel.org/stable/c/708f9d43d6a2eb9c6b83fe62af628de9dffd9314"}], "title": "wifi: cfg80211: ibss: ref BSS entry for joined event", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/wireless/core.h", "net/wireless/ibss.c", "net/wireless/util.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b0e3f019e461ac42e45aa3ec1216cefaca2f4a8b", "status": "affected", "version": "667503ddcb96f3b10211f997fe55907fa7509841", "versionType": "git"}, {"lessThan": "708f9d43d6a2eb9c6b83fe62af628de9dffd9314", "status": "affected", "version": "667503ddcb96f3b10211f997fe55907fa7509841", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/wireless/core.h", "net/wireless/ibss.c", "net/wireless/util.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.32"}, {"lessThan": "2.6.32", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3-rc4", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-98338", "lastModified": "2026-10-06T09:18:26.437", "metrics": {}, "published": "2026-10-06T09:18:26.437", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/708f9d43d6a2eb9c6b83fe62af628de9dffd9314"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b0e3f019e461ac42e45aa3ec1216cefaca2f4a8b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"created": "2026-10-06T16:45:02.995690+00:00", "updated": "2026-10-06T17:30:04.695303+00:00", "vendors": [], "weaknesses": ["CWE-362"]}