{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53303",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-16T08:09:37.994Z",
        "datePublished": "2025-09-16T08:11:33.842Z",
        "dateUpdated": "2026-05-11T19:42:20.213Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:42:20.213Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: microchip: vcap api: Fix possible memory leak for vcap_dup_rule()\n\nInject fault When select CONFIG_VCAP_KUNIT_TEST, the below memory leak\noccurs. If kzalloc() for duprule succeeds, but the following\nkmemdup() fails, the duprule, ckf and caf memory will be leaked. So kfree\nthem in the error path.\n\nunreferenced object 0xffff122744c50600 (size 192):\n  comm \"kunit_try_catch\", pid 346, jiffies 4294896122 (age 911.812s)\n  hex dump (first 32 bytes):\n    10 27 00 00 04 00 00 00 1e 00 00 00 2c 01 00 00  .'..........,...\n    00 00 00 00 00 00 00 00 18 06 c5 44 27 12 ff ff  ...........D'...\n  backtrace:\n    [<00000000394b0db8>] __kmem_cache_alloc_node+0x274/0x2f8\n    [<0000000001bedc67>] kmalloc_trace+0x38/0x88\n    [<00000000b0612f98>] vcap_dup_rule+0x50/0x460\n    [<000000005d2d3aca>] vcap_add_rule+0x8cc/0x1038\n    [<00000000eef9d0f8>] test_vcap_xn_rule_creator.constprop.0.isra.0+0x238/0x494\n    [<00000000cbda607b>] vcap_api_rule_remove_in_front_test+0x1ac/0x698\n    [<00000000c8766299>] kunit_try_run_case+0xe0/0x20c\n    [<00000000c4fe9186>] kunit_generic_run_threadfn_adapter+0x50/0x94\n    [<00000000f6864acf>] kthread+0x2e8/0x374\n    [<0000000022e639b3>] ret_from_fork+0x10/0x20"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/microchip/vcap/vcap_api.c"
                    ],
                    "versions": [
                        {
                            "version": "814e7693207f1bd936d600f9b5467f133e3d6e40",
                            "lessThan": "a26ba60413b2c8f95daf0ee0152cf82abd7bfbe4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "814e7693207f1bd936d600f9b5467f133e3d6e40",
                            "lessThan": "281f65d29d6da1a9b6907fb0b145aaf34f4e4822",
                            "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/microchip/vcap/vcap_api.c"
                    ],
                    "versions": [
                        {
                            "version": "6.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5.4",
                            "lessThanOrEqual": "6.5.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6",
                            "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": "6.3",
                                    "versionEndExcluding": "6.5.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.3",
                                    "versionEndExcluding": "6.6"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/a26ba60413b2c8f95daf0ee0152cf82abd7bfbe4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/281f65d29d6da1a9b6907fb0b145aaf34f4e4822"
                }
            ],
            "title": "net: microchip: vcap api: Fix possible memory leak for vcap_dup_rule()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2023-53303",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-01-14T18:14:00.750936Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "cweId": "CWE-401",
                                "description": "CWE-401 Missing Release of Memory after Effective Lifetime"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-14T18:22:54.574Z"
                }
            }
        ]
    }
}