{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53178",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.389Z",
        "datePublished": "2026-06-25T08:38:54.018Z",
        "dateUpdated": "2026-08-05T12:33:46.813Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-05T12:33:46.813Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction\n\nAdd guards to ensure ie_length is large enough before subtracting\nfixed IE offsets to prevent unsigned integer underflow."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                        "baseScore": 8.1,
                        "baseSeverity": "HIGH"
                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "AV:A - The vulnerable rtl8723bs path processes 802.11 beacon/probe response information from nearby WiFi radios during scan/join/roam handling, so the attacker must be within wireless range rather than on an IP network.\nAC:L - An attacker can craft and transmit malformed management-frame data and trigger repeated scan/join candidate processing; no race or hard-to-control memory layout condition is required to reach the vulnerable IE walker.\nPR:N - The over-the-air management frames are processed before any WiFi authentication with the attacker-controlled AP/BSS, so no local or authenticated privileges are required.\nUI:N - Once the interface is scanning or attempting WPS/join/roam, the driver processes received management frames without a per-attack victim action.\nS:U - The impact is within the kernel/driver security authority and does not cross a hypervisor, IOMMU, or separate security scope boundary.\nC:H - The WPS path can underflow the IE length and pass a huge unsigned bound to `rtw_get_wps_ie`, causing an unbounded out-of-bounds kernel memory read.\nI:N - The affected calls only scan/compare IE bytes and do not copy attacker data into an out-of-bounds destination or provide an apparent write primitive.\nA:H - The out-of-bounds kernel read can fault or otherwise destabilize the kernel driver, making a kernel crash/oops a plausible outcome."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/staging/rtl8723bs/core/rtw_mlme.c"
                    ],
                    "versions": [
                        {
                            "version": "d3fcee1b78a533c256077f1300dd236801397cf7",
                            "lessThan": "542d65a6dbd9733baab96313c9fe76a76e93f484",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d3fcee1b78a533c256077f1300dd236801397cf7",
                            "lessThan": "88e994c57a79f62d5338231d8d37ee8dd98baffe",
                            "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/staging/rtl8723bs/core/rtw_mlme.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "5.15",
                                    "versionEndExcluding": "7.0.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/542d65a6dbd9733baab96313c9fe76a76e93f484"
                },
                {
                    "url": "https://git.kernel.org/stable/c/88e994c57a79f62d5338231d8d37ee8dd98baffe"
                }
            ],
            "title": "staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction",
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                "engine": "bippy-1.2.0"
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    }
}