{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-71077",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:30:19.648Z",
        "datePublished": "2026-01-13T15:31:29.435Z",
        "dateUpdated": "2026-06-11T18:44:05.950Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:54:17.555Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Cap the number of PCR banks\n\ntpm2_get_pcr_allocation() does not cap any upper limit for the number of\nbanks. Cap the limit to eight banks so that out of bounds values coming\nfrom external I/O cause on only limited harm."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/char/tpm/tpm-chip.c",
                        "drivers/char/tpm/tpm1-cmd.c",
                        "drivers/char/tpm/tpm2-cmd.c",
                        "include/linux/tpm.h"
                    ],
                    "versions": [
                        {
                            "version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
                            "lessThan": "8ceee7288152bc121a6bf92997261838c78bfe06",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
                            "lessThan": "275c686f1e3cc056ec66c764489ec1fe1e51b950",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
                            "lessThan": "ceb70d31da5671d298bad94ae6c20e4bbb800f96",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
                            "lessThan": "d88481653d74d622d1d0d2c9bad845fc2cc6fd23",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
                            "lessThan": "b69492161c056d36789aee42a87a33c18c8ed5e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
                            "lessThan": "858344bc9210bea9ab2bdc7e9e331ba84c164e50",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "bcfff8384f6c4e6627676ef07ccad9cfacd67849",
                            "lessThan": "faf07e611dfa464b201223a7253e9dc5ee0f3c9e",
                            "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/char/tpm/tpm-chip.c",
                        "drivers/char/tpm/tpm1-cmd.c",
                        "drivers/char/tpm/tpm2-cmd.c",
                        "include/linux/tpm.h"
                    ],
                    "versions": [
                        {
                            "version": "5.1",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.1",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.248",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.198",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.160",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.120",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.64",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.3",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19",
                            "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": "5.1",
                                    "versionEndExcluding": "5.10.248"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "5.15.198"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.1.160"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.6.120"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.12.64"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.18.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.1",
                                    "versionEndExcluding": "6.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06"
                },
                {
                    "url": "https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50"
                },
                {
                    "url": "https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e"
                }
            ],
            "title": "tpm: Cap the number of PCR banks",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2025-71077",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2026-06-10T20:40:49.952084Z"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-06-11T18:44:05.950Z"
                }
            }
        ]
    }
}