{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-53852",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-09T01:27:17.827Z",
        "datePublished": "2025-12-09T01:30:17.449Z",
        "dateUpdated": "2026-05-11T19:52:45.826Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:52:45.826Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-core: fix memory leak in dhchap_secret_store\n\nFree dhchap_secret in nvme_ctrl_dhchap_secret_store() before we return\nfix following kmemleack:-\n\nunreferenced object 0xffff8886376ea800 (size 64):\n  comm \"check\", pid 22048, jiffies 4344316705 (age 92.199s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67  DHHC-1:00:nxr5Kg\n    75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c  uX4uoAxsJa4c/huL\n  backtrace:\n    [<0000000030ce5d4b>] __kmalloc+0x4b/0x130\n    [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]\n    [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0\n    [<00000000437e7ced>] vfs_write+0x2ba/0x3c0\n    [<00000000f9491baf>] ksys_write+0x5f/0xe0\n    [<000000001c46513d>] do_syscall_64+0x3b/0x90\n    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc\nunreferenced object 0xffff8886376eaf00 (size 64):\n  comm \"check\", pid 22048, jiffies 4344316736 (age 92.168s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67  DHHC-1:00:nxr5Kg\n    75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c  uX4uoAxsJa4c/huL\n  backtrace:\n    [<0000000030ce5d4b>] __kmalloc+0x4b/0x130\n    [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]\n    [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0\n    [<00000000437e7ced>] vfs_write+0x2ba/0x3c0\n    [<00000000f9491baf>] ksys_write+0x5f/0xe0\n    [<000000001c46513d>] do_syscall_64+0x3b/0x90\n    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/nvme/host/core.c"
                    ],
                    "versions": [
                        {
                            "version": "f50fff73d620cd6e8f48bc58d4f1c944615a3fea",
                            "lessThan": "2e9b141307554521d60fecf6bf1d2edc8dd0181d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f50fff73d620cd6e8f48bc58d4f1c944615a3fea",
                            "lessThan": "c41ac086d2abaf7527a5685f9c0a1c209ab7e0aa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f50fff73d620cd6e8f48bc58d4f1c944615a3fea",
                            "lessThan": "6a5eda5017959541ab82c5d56bcf784b8294e298",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f50fff73d620cd6e8f48bc58d4f1c944615a3fea",
                            "lessThan": "a836ca33c5b07d34dd5347af9f64d25651d12674",
                            "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/nvme/host/core.c"
                    ],
                    "versions": [
                        {
                            "version": "6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.39",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.3.13",
                            "lessThanOrEqual": "6.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.4.4",
                            "lessThanOrEqual": "6.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.5",
                            "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": "6.0",
                                    "versionEndExcluding": "6.1.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.3.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.4.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.0",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/2e9b141307554521d60fecf6bf1d2edc8dd0181d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c41ac086d2abaf7527a5685f9c0a1c209ab7e0aa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6a5eda5017959541ab82c5d56bcf784b8294e298"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a836ca33c5b07d34dd5347af9f64d25651d12674"
                }
            ],
            "title": "nvme-core: fix memory leak in dhchap_secret_store",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}