wifi: rtw89: pci: validate sequence number of TX release report
CVE-2026-43213 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-43213, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: pci: validate sequence number of TX release report Hardware rarely reports abnormal sequence number in TX release report, which will access out-of-bounds of wd_ring->pages array, causing NULL pointer dereference. BUG: kernel NULL pointer dereference, address: 0000000000000000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 1 PID: 1085 Comm: irq/129-rtw89_p Tainted: G S U 6.1.145-17510-g2f3369c91536 #1 (HASH:69e8 1) Call Trace: <IRQ> rtw89_pci_release_tx+0x18f/0x300 [rtw89_pci (HASH:4c83 2)] rtw89_pci_napi_poll+0xc2/0x190 [rtw89_pci (HASH:4c83 2)] net_rx_action+0xfc/0x460 net/core/dev.c:6578 net/core/dev.c:6645 net/core/dev.c:6759 handle_softirqs+0xbe/0x290 kernel/softirq.c:601 ? rtw89_pci_interrupt_threadfn+0xc5/0x350 [rtw89_pci (HASH:4c83 2)] __local_bh_enable_ip+0xeb/0x120 kernel/softirq.c:499 kernel/softirq.c:423 </IRQ> <TASK> rtw89_pci_interrupt_threadfn+0xf8/0x350 [rtw89_pci (HASH:4c83 2)] ? irq_thread+0xa7/0x340 kernel/irq/manage.c:0 irq_thread+0x177/0x340 kernel/irq/manage.c:1205 kernel/irq/manage.c:1314 ? thaw_kernel_threads+0xb0/0xb0 kernel/irq/manage.c:1202 ? irq_forced_thread_fn+0x80/0x80 kernel/irq/manage.c:1220 kthread+0xea/0x110 kernel/kthread.c:376 ? synchronize_irq+0x1a0/0x1a0 kernel/irq/manage.c:1287 ? kthread_associate_blkcg+0x80/0x80 kernel/kthread.c:331 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> To prevent crash, validate rpp_info.seq before using.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-64kb · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-azure · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-default · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-default · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.36.1.160000.2.17 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.81.1.150700.17.45.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-default-base · sles 16.0 | 6.12.0-160000.36.1.160000.2.17 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-docs · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-kvmsmall · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_20 · sles 15.7 | 1-150700.1.3.1 | SUSE-SU-2026:4120-1 | Sep 10, 2026 |
| kernel-livepatch-SLE15-SP7_Update_21 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-obs-build · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-obs-qa · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-source · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-syms · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.36.1 | OPENSUSE-SU-2026:21388-1 | Jul 21, 2026 |
| kernel-zfcpdump · sles 15.7 | 6.4.0-150700.53.81.1 | SUSE-SU-2026:4254-1 | Oct 7, 2026 |
| kernel-zfcpdump · sles 16.0 | 6.12.0-160000.36.1 | SUSE-SU-2026:22835-1 | Jul 21, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.115-2 | DEBIAN-CVE-2026-43213 | May 15, 2026 |
| linux · Debian 14 | 6.19.6-1 | DEBIAN-CVE-2026-43213 | May 15, 2026 |
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