CVE-2026-23246
wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration
CVE-2026-23246 is fixed in 46 products on 1 platform, first by DEBIAN-CVE-2026-23246, released March 18, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
8.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0029
21st percentile
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: bounds-check link_id in ieee80211_ml_reconfiguration link_id is taken from the ML Reconfiguration element (control & 0x000f), so it can be 0..15. link_removal_timeout[] has IEEE80211_MLD_MAX_NUM_LINKS (15) elements, so index 15 is out-of-bounds. Skip subelements with link_id >= IEEE80211_MLD_MAX_NUM_LINKS to avoid a stack out-of-bounds write.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.55.1.150700.17.33.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-livepatch-SLE15-SP7_Update_15 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-uek · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-204.92.4.2.el9uek | ELSA-2026-50372 | Jul 2, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.85-1 | DEBIAN-CVE-2026-23246 | Mar 18, 2026 |
| linux · Debian 14 | 6.19.8-1 | DEBIAN-CVE-2026-23246 | Mar 18, 2026 |
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