{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50288",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:58:00.977Z",
        "datePublished": "2025-09-15T14:21:24.427Z",
        "dateUpdated": "2026-05-11T19:16:25.955Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:16:25.955Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nqlcnic: prevent ->dcb use-after-free on qlcnic_dcb_enable() failure\n\nadapter->dcb would get silently freed inside qlcnic_dcb_enable() in\ncase qlcnic_dcb_attach() would return an error, which always happens\nunder OOM conditions. This would lead to use-after-free because both\nof the existing callers invoke qlcnic_dcb_get_info() on the obtained\npointer, which is potentially freed at that point.\n\nPropagate errors from qlcnic_dcb_enable(), and instead free the dcb\npointer at callsite using qlcnic_dcb_free(). This also removes the now\nunused qlcnic_clear_dcb_ops() helper, which was a simple wrapper around\nkfree() also causing memory leaks for partially initialized dcb.\n\nFound by Linux Verification Center (linuxtesting.org) with the SVACE\nstatic analysis tool."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c",
                        "drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h",
                        "drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c"
                    ],
                    "versions": [
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "36999236f0b12d5de21a6f40e93b570727b9ceb2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "d12a7510293d3370b234b0b7c5eda33e58786768",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "8f97eeb02a553cdc78c83a0596448a370e1518c4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "513787ff9a331b461115e8a145a983d650a84fcb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "95df720e64a6409d8152827a776c43f615e3321a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "8df1dc04ce0e4c03b51a756749c250a9cb17d707",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "a2a694e6edbdb3efb34e1613a31fdcf6cf444a55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "3c44bba1d270cb1620b4fe76786d0968118cb86b",
                            "lessThan": "13a7c8964afcd8ca43c0b6001ebb0127baa95362",
                            "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/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c",
                        "drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h",
                        "drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c"
                    ],
                    "versions": [
                        {
                            "version": "3.14",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.14",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.303",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.270",
                            "lessThanOrEqual": "4.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.229",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.163",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.87",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.19",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.5",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "3.14",
                                    "versionEndExcluding": "4.14.303"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "4.19.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "5.4.229"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "5.10.163"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "5.15.87"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.0.19"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.1.5"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.14",
                                    "versionEndExcluding": "6.2"
                                }
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                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/36999236f0b12d5de21a6f40e93b570727b9ceb2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d12a7510293d3370b234b0b7c5eda33e58786768"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8f97eeb02a553cdc78c83a0596448a370e1518c4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/513787ff9a331b461115e8a145a983d650a84fcb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/95df720e64a6409d8152827a776c43f615e3321a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8df1dc04ce0e4c03b51a756749c250a9cb17d707"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a2a694e6edbdb3efb34e1613a31fdcf6cf444a55"
                },
                {
                    "url": "https://git.kernel.org/stable/c/13a7c8964afcd8ca43c0b6001ebb0127baa95362"
                }
            ],
            "title": "qlcnic: prevent ->dcb use-after-free on qlcnic_dcb_enable() failure",
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    }
}