{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-43176",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-05-01T14:12:55.991Z",
        "datePublished": "2026-05-06T11:27:50.150Z",
        "dateUpdated": "2026-08-05T12:26:18.965Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-05T12:26:18.965Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: rtw89: pci: validate release report content before using for RTL8922DE\n\nThe commit 957eda596c76\n(\"wifi: rtw89: pci: validate sequence number of TX release report\")\ndoes validation on existing chips, which somehow a release report of SKB\nbecomes malformed. As no clear cause found, add rules ahead for RTL8922DE\nto avoid crash if it happens."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 8.8,
                        "baseSeverity": "HIGH"
                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "AV:A - The vulnerable path is in a PCI WiFi driver’s TX release-report handling, reached from device/firmware reports generated during wireless operation. A plausible attacker is an adjacent WiFi peer/AP/injector that can induce wireless traffic and repeated TX completions on affected RTL8922DE systems.\nAC:L - No race or special software privilege gate is required once the affected device is operating; the vulnerable report parser is reached through normal IRQ/NAPI processing. Although malformed reports are hardware/firmware-originated, repeated induced traffic makes low complexity the higher-severity defensible choice.\nPR:N - The path is entered from hardware interrupt/NAPI processing, not from an ioctl or privileged local API. An adjacent attacker does not need Linux credentials or kernel capabilities on the victim.\nUI:N - After the affected WiFi device is active, processing release reports requires no victim action at exploit time. The interrupt-driven reclaim path runs automatically.\nS:U - The impact is within the same host kernel/driver security authority. There is no VM escape, IOMMU bypass, or separate security scope crossed.\nC:H - The invalid TX channel can index outside or into unallocated `rtwpci->tx.rings` entries before list/SKB operations, creating kernel memory corruption potential beyond a pure NULL dereference. Under the required uncertainty rule, this is scored as high confidentiality impact.\nI:H - The same unvalidated channel selection can drive list manipulation and cleanup on an invalid/uninitialized TX ring, which is memory corruption with potential control-flow or data integrity impact. Under the required uncertainty rule, this is scored as high integrity impact.\nA:H - The related release-report bug is documented to cause a kernel NULL pointer dereference/oops in this reclaim path, and this fix explicitly prevents crashes from malformed reports. A remotely induced kernel crash is high availability impact."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/realtek/rtw89/pci.c"
                    ],
                    "versions": [
                        {
                            "version": "110f3c11f440d78ef8a181f75456e24e428f69e4",
                            "lessThan": "ebeaa3b24ba568ff8505165f954dba15cc53e4b3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "110f3c11f440d78ef8a181f75456e24e428f69e4",
                            "lessThan": "3e8a88b5e8b3506d9c5e031a65ba65ce9a0683a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "110f3c11f440d78ef8a181f75456e24e428f69e4",
                            "lessThan": "5f93d611b33a05bd03d6843c8efe8cb6a1992620",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/realtek/rtw89/pci.c"
                    ],
                    "versions": [
                        {
                            "version": "6.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.16",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.6",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.18.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "6.19.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.18",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ebeaa3b24ba568ff8505165f954dba15cc53e4b3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3e8a88b5e8b3506d9c5e031a65ba65ce9a0683a3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5f93d611b33a05bd03d6843c8efe8cb6a1992620"
                }
            ],
            "title": "wifi: rtw89: pci: validate release report content before using for RTL8922DE",
            "x_generator": {
                "engine": "bippy-1.2.0"
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}