wifi: mac80211: refuse to make a monitor active when it has no queue
CVE-2026-98182 is fixed in 37 products on 1 platform, first by DEBIAN-CVE-2026-98182, released October 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: refuse to make a monitor active when it has no queue A monitor interface only gets a TXQ if it's created active, and one can't be added later. Setting the flag on a down interface is still allowed, so the driver is handed a monitor with no queue. ath9k dereferences it: BUG: kernel NULL pointer dereference, address: 0000000000000066 RIP: 0010:ath_tx_node_init+0x49/0x170 [ath9k] ath9k_add_interface+0x10c/0x140 [ath9k] drv_add_interface+0x54/0x250 [mac80211] ieee80211_do_open+0x32f/0x800 [mac80211] Reached with CAP_NET_ADMIN by "iw dev X set monitor active" followed by "ip link set X up". RTNL is held, so netlink operations block behind it. Refuse the flag when there is no queue to give.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kernel-uek · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.113-1 | DEBIAN-CVE-2026-98182 | Oct 6, 2026 |
| linux · Debian 14 | 7.2.8-1 | DEBIAN-CVE-2026-98182 | Oct 6, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.113-1~deb12u1 | DEBIAN-CVE-2026-98182 | Oct 6, 2026 |
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