{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49956",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.382Z",
        "datePublished": "2025-06-18T11:00:18.341Z",
        "dateUpdated": "2026-05-11T19:09:55.829Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:09:55.829Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix use after free bugs\n\n_Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl()\nfunctions don't do anything except free the \"pcmd\" pointer.  It\nresults in a use after free.  Delete them."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/staging/rtl8712/rtl8712_cmd.c"
                    ],
                    "versions": [
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "7dce6b0ee7d78667d6c831ced957a08769973063",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "376e15487fec837301d888068a3fcc82efb6171a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "d0aac7146e96bf39e79c65087d21dfa02ef8db38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "19e3f69d19801940abc2ac37c169882769ed9770",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "dc02aaf950015850e7589696521c7fca767cea77",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "b1727def850904e4b8ba384043775672841663a1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef",
                            "lessThan": "e230a4455ac3e9b112f0367d1b8e255e141afae0",
                            "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/rtl8712/rtl8712_cmd.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.37",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.37",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.328",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.293",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.258",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.213",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.142",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.66",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19.8",
                            "lessThanOrEqual": "5.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.37",
                                    "versionEndExcluding": "4.9.328"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.37",
                                    "versionEndExcluding": "4.14.293"
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                                    "versionStartIncluding": "2.6.37",
                                    "versionEndExcluding": "6.0"
                                }
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063"
                },
                {
                    "url": "https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38"
                },
                {
                    "url": "https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0"
                }
            ],
            "title": "staging: rtl8712: fix use after free bugs",
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}