CVE-2026-43213

{"id": "CVE-2026-43213", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43213", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:15:48.810008Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd", "lessThan": "973392ea942a8a2981724c2c230972c8eb3cb703", "versionType": "git"}, {"status": "affected", "version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd", "lessThan": "c0da84e308a0b0b51cd234168a9d84be4a3c5c50", "versionType": "git"}, {"status": "affected", "version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd", "lessThan": "0fe36044267c3c70d0471d2109c34f805c975154", "versionType": "git"}, {"status": "affected", "version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd", "lessThan": "ef7fa19809b2d892d45da53f90ac698d13c367fd", "versionType": "git"}, {"status": "affected", "version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd", "lessThan": "b342dd13aedccb0dd27365f6cc63a262f42394ce", "versionType": "git"}, {"status": "affected", "version": "e3ec7017f6a20d12ddd9fe23d345ebb7b8c104dd", "lessThan": "957eda596c7665f2966970fd1dcc35fe299b38e8", "versionType": "git"}], "programFiles": ["drivers/net/wireless/realtek/rtw89/pci.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"status": "unaffected", "version": "0", "lessThan": "5.16", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.191", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.160", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.114", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.16", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.6", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/wireless/realtek/rtw89/pci.c"], "defaultStatus": "affected"}]}], "published": "2026-05-06T12:16:40.803", "references": [{"url": "https://git.kernel.org/stable/c/0fe36044267c3c70d0471d2109c34f805c975154", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/957eda596c7665f2966970fd1dcc35fe299b38e8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/973392ea942a8a2981724c2c230972c8eb3cb703", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b342dd13aedccb0dd27365f6cc63a262f42394ce", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c0da84e308a0b0b51cd234168a9d84be4a3c5c50", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ef7fa19809b2d892d45da53f90ac698d13c367fd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nwifi: rtw89: pci: validar el n\u00famero de secuencia del informe de liberaci\u00f3n de TX\n\nEl hardware rara vez informa un n\u00famero de secuencia anormal en el informe de liberaci\u00f3n de TX, lo que acceder\u00e1 fuera de los l\u00edmites del array wd_ring -> pages, causando una desreferencia de puntero NULL.\n\n BUG: desreferencia de puntero NULL del kernel, direcci\u00f3n: 0000000000000000\n #PF: acceso de lectura de supervisor en modo kernel\n #PF: error_code(0x 0000) - p\u00e1gina no presente\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 Rastro de Llamada:\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\nPara evitar un fallo, validar rpp_info.seq antes de usarlo."}], "lastModified": "2026-11-11T20:10:00.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "29ED84C1-BD97-40F4-B3BE-7ACD9AA05DC4", "versionEndExcluding": "6.18.16", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}