{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2023-54209",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:06:44.500Z",
        "datePublished": "2025-12-30T12:11:08.027Z",
        "dateUpdated": "2026-05-11T19:57:34.725Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:57:34.725Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblock: fix blktrace debugfs entries leakage\n\nCommit 99d055b4fd4b (\"block: remove per-disk debugfs files in\nblk_unregister_queue\") moves blk_trace_shutdown() from\nblk_release_queue() to blk_unregister_queue(), this is safe if blktrace\nis created through sysfs, however, there is a regression in corner\ncase.\n\nblktrace can still be enabled after del_gendisk() through ioctl if\nthe disk is opened before del_gendisk(), and if blktrace is not shutdown\nthrough ioctl before closing the disk, debugfs entries will be leaked.\n\nFix this problem by shutdown blktrace in disk_release(), this is safe\nbecause blk_trace_remove() is reentrant."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/genhd.c"
                    ],
                    "versions": [
                        {
                            "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
                            "lessThan": "aa07e56c6a9c7558165690d14eed4fe8babf34fb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
                            "lessThan": "7149e57cf01184fba175589f8fbe9fbf33be02e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
                            "lessThan": "942e81650b81b4ca62f1d8c61de455c9e7c7e6ca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "99d055b4fd4bbb309c6cdb51a0d420669f777944",
                            "lessThan": "dd7de3704af9989b780693d51eaea49a665bd9c2",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "block/genhd.c"
                    ],
                    "versions": [
                        {
                            "version": "5.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.19",
                            "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": "5.19",
                                    "versionEndExcluding": "6.1.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.3.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.4.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.19",
                                    "versionEndExcluding": "6.5"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/aa07e56c6a9c7558165690d14eed4fe8babf34fb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7149e57cf01184fba175589f8fbe9fbf33be02e1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/942e81650b81b4ca62f1d8c61de455c9e7c7e6ca"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dd7de3704af9989b780693d51eaea49a665bd9c2"
                }
            ],
            "title": "block: fix blktrace debugfs entries leakage",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}