{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.2.8-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  wifi: mac80211: reset state when starting AP fails  ieee80211_start_ap() can set enable_beacon (and beacon_int) and fail later, leaving it set forever. Scanning can then attempt to restore beaconing on such an interface, leading to:    Oops: divide error: 0000 [#1] SMP KASAN NOPTI   RIP: 0010:mac80211_hwsim_link_info_changed+0xca7/0xf00   Call Trace:    drv_link_info_changed+0x413/0x860 net/mac80211/driver-ops.c:495    ieee80211_link_info_change_notify+0x24b/0x3c0 net/mac80211/main.c:427    ieee80211_offchannel_return+0x381/0x580 net/mac80211/offchannel.c:160    __ieee80211_scan_completed+0x993/0xe30 net/mac80211/scan.c:519    ieee80211_scan_work+0x472/0x2010 net/mac80211/scan.c:1193    cfg80211_wiphy_work+0x2b7/0x550 net/wireless/core.c:538  in hwsim. Also, cfg80211 then allows changing the interface type, and the off-channel path getgs confused about beaconing as well, leading to another warning:    WARNING: net/mac80211/driver-ops.c:468 at drv_link_info_changed+0x583/0x880    ieee80211_link_info_change_notify+0x24b/0x3c0 net/mac80211/main.c:427    ieee80211_offchannel_stop_vifs+0x328/0x5c0 net/mac80211/offchannel.c:122    ieee80211_start_sw_scan net/mac80211/scan.c:583 [inline]    __ieee80211_start_scan+0xfb6/0x1af0 net/mac80211/scan.c:882  Reset the state on failures to always have it correct.",
  "id": "DEBIAN-CVE-2026-98334",
  "modified": "2026-10-07T04:47:38.567403558Z",
  "published": "2026-10-06T09:18:25.903Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-98334"
    }
  ],
  "upstream": [
    "CVE-2026-98334"
  ]
}