{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-53327",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.398Z",
        "datePublished": "2026-07-01T13:32:13.493Z",
        "dateUpdated": "2026-07-04T11:51:05.892Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-04T11:51:05.892Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndebugobjects: Do not fill_pool() if pi_blocked_on\n\nOn RT enabled kernels, fill_pool() ends up calling rtlock_lock(), which\nasserts if current::pi_blocked_on is set, because a task can obviously only\nblock on one lock as otherwise the priority inheritenace chain gets\ncorrupted.\n\nPrevent this by expanding the conditional to take current::pi_blocked_on\ninto account."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "lib/debugobjects.c"
                    ],
                    "versions": [
                        {
                            "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
                            "lessThan": "8a680d54f1adf3e3aa815578684556716fda6f0c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
                            "lessThan": "a3383df76f0d7a597066df018409eb9e5e698064",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
                            "lessThan": "3f6a3b24ab7b9d51f6f4778254bef0e5847beb55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
                            "lessThan": "3a408cae608d9c075dd3a9e5cfc03b3cb0726863",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
                            "lessThan": "33bee10644f8fff3b1a0187ad5ad34513e5e8e72",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4bedcc28469a24fe481a8a31b3584e6070457ddb",
                            "lessThan": "5f41161059fd0f1bbf18c90f3180e38cc45a14eb",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "lib/debugobjects.c"
                    ],
                    "versions": [
                        {
                            "version": "5.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.177",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.144",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.95",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.37",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.13",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "5.15",
                                    "versionEndExcluding": "6.1.177"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.6.144"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.12.95"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "6.18.37"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "7.0.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.15",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8a680d54f1adf3e3aa815578684556716fda6f0c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a3383df76f0d7a597066df018409eb9e5e698064"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3f6a3b24ab7b9d51f6f4778254bef0e5847beb55"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3a408cae608d9c075dd3a9e5cfc03b3cb0726863"
                },
                {
                    "url": "https://git.kernel.org/stable/c/33bee10644f8fff3b1a0187ad5ad34513e5e8e72"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5f41161059fd0f1bbf18c90f3180e38cc45a14eb"
                }
            ],
            "title": "debugobjects: Do not fill_pool() if pi_blocked_on",
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}