{"schema_version":"1.9.0","id":"CVE-2026-43213","published":"2026-05-06T11:28:15.998Z","modified":"2026-08-12T03:51:47.043669361Z","related":["SUSE-SU-2026:22742-1","SUSE-SU-2026:22769-1","SUSE-SU-2026:22812-1","SUSE-SU-2026:22835-1","openSUSE-SU-2026:21388-1"],"summary":"wifi: rtw89: pci: validate sequence number of TX release report","details":"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd"},{"fixed":"ef7fa19809b2d892d45da53f90ac698d13c367fd"},{"fixed":"b342dd13aedccb0dd27365f6cc63a262f42394ce"},{"fixed":"957eda596c7665f2966970fd1dcc35fe299b38e8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43213.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43213.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/957eda596c7665f2966970fd1dcc35fe299b38e8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b342dd13aedccb0dd27365f6cc63a262f42394ce"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ef7fa19809b2d892d45da53f90ac698d13c367fd"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43213.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43213"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43213.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}