CVE-2026-74408

linux: In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: fix OOB access from firmware tx sta...

CVE-2026-74408 is fixed in 49 products on 1 platform, first by DEBIAN-CVE-2026-74408, released August 15, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0041
35th percentile

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: fix OOB access from firmware tx status queue ID ath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a 4-bit hardware field (0-15), but the txq array only has ATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array access. Add a bounds check on ts.qid before using it as an array index.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
bpftool · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 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 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-container · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container-debug · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container-debug · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-core · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-core · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-devel · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-devel · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-doc · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-doc · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-doc · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-doc · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-tools · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-tools · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-core · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-devel · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 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) 6.1.180-1 DEBIAN-CVE-2026-74408 Aug 15, 2026
linux · Debian 13.5 (trixie) 6.12.100-1 DEBIAN-CVE-2026-74408 Aug 15, 2026
linux · Debian 14 7.1.5-1 DEBIAN-CVE-2026-74408 Aug 15, 2026

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