CVE-2026-43213High· 7.5▾ TwilightIn 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 …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.3%
Last analysed / modified upstream
0.3% → 0.3%
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.
Linux >= e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd < c0da84e308a0b0b51cd234168a9d84be4a3c5c50Linux >= e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd < 0fe36044267c3c70d0471d2109c34f805c975154Linux >= e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd < ef7fa19809b2d892d45da53f90ac698d13c367fdLinux >= e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd < b342dd13aedccb0dd27365f6cc63a262f42394ceLinux >= e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd < 957eda596c7665f2966970fd1dcc35fe299b38e8Linux 5.16Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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