{"cve":"CVE-2026-43213","nvd":{"published":"2026-05-06T12:16:40.803","modified":"2026-10-21T13:18:52.160","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: pci: validate sequence number of TX release report\n\nHardware rarely reports abnormal sequence number in TX release report,\nwhich will access out-of-bounds of wd_ring->pages array, causing NULL\npointer dereference.\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000000\n  #PF: supervisor read access in kernel mode\n  #PF: error_code(0x0000) - not-present page\n  PGD 0 P4D 0\n  Oops: 0000 [#1] PREEMPT SMP NOPTI\n  CPU: 1 PID: 1085 Comm: irq/129-rtw89_p Tainted: G S   U\n             6.1.145-17510-g2f3369c91536 #1 (HASH:69e8 1)\n  Call Trace:\n   <IRQ>\n   rtw89_pci_release_tx+0x18f/0x300 [rtw89_pci (HASH:4c83 2)]\n   rtw89_pci_napi_poll+0xc2/0x190 [rtw89_pci (HASH:4c83 2)]\n   net_rx_action+0xfc/0x460 net/core/dev.c:6578 net/core/dev.c:6645 net/core/dev.c:6759\n   handle_softirqs+0xbe/0x290 kernel/softirq.c:601\n   ? rtw89_pci_interrupt_threadfn+0xc5/0x350 [rtw89_pci (HASH:4c83 2)]\n   __local_bh_enable_ip+0xeb/0x120 kernel/softirq.c:499 kernel/softirq.c:423\n   </IRQ>\n   <TASK>\n   rtw89_pci_interrupt_threadfn+0xf8/0x350 [rtw89_pci (HASH:4c83 2)]\n   ? irq_thread+0xa7/0x340 kernel/irq/manage.c:0\n   irq_thread+0x177/0x340 kernel/irq/manage.c:1205 kernel/irq/manage.c:1314\n   ? thaw_kernel_threads+0xb0/0xb0 kernel/irq/manage.c:1202\n   ? irq_forced_thread_fn+0x80/0x80 kernel/irq/manage.c:1220\n   kthread+0xea/0x110 kernel/kthread.c:376\n   ? synchronize_irq+0x1a0/0x1a0 kernel/irq/manage.c:1287\n   ? kthread_associate_blkcg+0x80/0x80 kernel/kthread.c:331\n   ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295\n   </TASK>\n\nTo prevent crash, validate rpp_info.seq before using.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":7.5},"cwes":["CWE-476","CWE-125"],"references":["https://git.kernel.org/stable/c/0fe36044267c3c70d0471d2109c34f805c975154","https://git.kernel.org/stable/c/957eda596c7665f2966970fd1dcc35fe299b38e8","https://git.kernel.org/stable/c/b342dd13aedccb0dd27365f6cc63a262f42394ce","https://git.kernel.org/stable/c/c0da84e308a0b0b51cd234168a9d84be4a3c5c50","https://git.kernel.org/stable/c/ef7fa19809b2d892d45da53f90ac698d13c367fd"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-43213","score":0.0028,"percentile":0.2023,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}