CVE-2026-93281
wifi: rtw89: fix HE extended capability length check
CVE-2026-93281 is fixed in 47 products on 1 platform, first by DEBIAN-CVE-2026-93281, released September 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.4
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0019
8th percentile
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| 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 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 7, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-207.111.5.1.el9uek | ELSA-2026-500374 | Oct 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-2026-93281 | Sep 24, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.111-1 | DEBIAN-CVE-2026-93281 | Sep 24, 2026 |
| linux · Debian 14 | 7.2.6-1 | DEBIAN-CVE-2026-93281 | Sep 24, 2026 |
| linux-6.12 · Debian 12.15 (bookworm) | 6.12.111-1~deb12u1 | DEBIAN-CVE-2026-93281 | Sep 24, 2026 |
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