{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50830",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:07.132Z",
        "datePublished": "2025-12-30T12:10:52.099Z",
        "dateUpdated": "2026-05-11T19:25:56.572Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:25:56.572Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nauxdisplay: hd44780: Fix potential memory leak in hd44780_remove()\n\nhd44780_probe() allocates a memory chunk for hd with kzalloc() and\nmakes \"lcd->drvdata->hd44780\" point to it. When we call hd44780_remove(),\nwe should release all relevant memory and resource. But \"lcd->drvdata\n->hd44780\" is not released, which will lead to a memory leak.\n\nWe should release the \"lcd->drvdata->hd44780\" in hd44780_remove() to fix\nthe memory leak bug."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/auxdisplay/hd44780.c"
                    ],
                    "versions": [
                        {
                            "version": "718e05ed92ecac0d9d3954bcc8064527c3ce7565",
                            "lessThan": "8311961a1724bfc64390c539dedc31e067a80315",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "718e05ed92ecac0d9d3954bcc8064527c3ce7565",
                            "lessThan": "6cd37f8232f5e169a723e1d5fbe3b2139c2ef763",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "718e05ed92ecac0d9d3954bcc8064527c3ce7565",
                            "lessThan": "5d407911e605702ffcc0e97a6db546592ab27dd0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "718e05ed92ecac0d9d3954bcc8064527c3ce7565",
                            "lessThan": "ddf75a86aba2cfb7ec4497e8692b60c8c8fe0ee7",
                            "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/auxdisplay/hd44780.c"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.100",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.18",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2.5",
                            "lessThanOrEqual": "6.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3",
                            "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": "5.11",
                                    "versionEndExcluding": "5.15.100"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.1.18"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.2.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8311961a1724bfc64390c539dedc31e067a80315"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6cd37f8232f5e169a723e1d5fbe3b2139c2ef763"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5d407911e605702ffcc0e97a6db546592ab27dd0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ddf75a86aba2cfb7ec4497e8692b60c8c8fe0ee7"
                }
            ],
            "title": "auxdisplay: hd44780: Fix potential memory leak in hd44780_remove()",
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    }
}