CVE-2026-98345
wifi: cfg80211: check IP header size in cfg80211_classify8021d()
CVE-2026-98345 is fixed in 50 products on 1 platform, first by DEBIAN-CVE-2026-98345, released October 6, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
Urgent
CVSS
9.8
Critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0018
7th percentile
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check IP header size in cfg80211_classify8021d() A frame that looks like IP can be transmitted, but be too short, so the DS field is read incorrectly: BUG: KMSAN: uninit-value in cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027 cfg80211_classify8021d+0x99d/0x12b0 net/wireless/util.c:1027 ieee80211_select_queue+0x37a/0x9e0 net/mac80211/wme.c:180 __ieee80211_subif_start_xmit+0x60f/0x1d90 net/mac80211/tx.c:4304 ieee80211_subif_start_xmit+0xa8/0x6d0 net/mac80211/tx.c:4538 ... packet_sendmsg+0x9173/0xa2a0 net/packet/af_packet.c:3108 Use skb_header_pointer() like the MPLS case.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · ol 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| bpftool · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.90.1.150700.17.51.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-livepatch-SLE15-SP7_Update_24 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| kernel-uek · ol 10 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek · ol 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek-container · ol 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek-container · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek-container-debug · ol 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek-container-debug · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-core · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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-core · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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-devel · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-devel · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek-doc · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-core · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | Nov 7, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-208.112.5.el9uek | ELSA-2026-500572 | Nov 7, 2026 |
| kernel-uek64k-devel · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 8 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 · ol 9 | 0:5.15.0-326.222.4.el9uek | ELSA-2026-500574 | 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 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.90.1 | SUSE-SU-2026:5091-1 | Nov 7, 2026 |
| linux · Debian 12.15 (bookworm) | 6.1.190-1 | DEBIAN-CVE-2026-98345 | Oct 6, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.113-1 | DEBIAN-CVE-2026-98345 | Oct 6, 2026 |
| linux · Debian 14 | 7.2.8-1 | DEBIAN-CVE-2026-98345 | Oct 6, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.113-1~deb12u1 | DEBIAN-CVE-2026-98345 | Oct 6, 2026 |
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