{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-99221",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.401Z",
        "datePublished": "2026-11-02T16:06:32.409Z",
        "dateUpdated": "2026-11-02T16:06:32.409Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-11-02T16:06:32.409Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nkeys/trusted_keys: return immediately after TPM unseal failure\n\ntrusted_tpm_unseal() proceeds to pcrlock() when the TPM unseal operation\nfails. If pcrlock() succeeds, its return value overwrites the unseal error,\ncausing key instantiation to succeed.\n\nReturn immediately when unseal fails to preserve the original error."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "security/keys/trusted-keys/trusted_tpm1.c"
                    ],
                    "versions": [
                        {
                            "version": "5d0682be318910e028bdf57c90a1695ffc34be37",
                            "lessThan": "4876f09ce222e140a73aad950882b3605440c935",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d0682be318910e028bdf57c90a1695ffc34be37",
                            "lessThan": "2d92a0f87c338a08367aff05edd1ade86da4ac8d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d0682be318910e028bdf57c90a1695ffc34be37",
                            "lessThan": "234d09bb3b3d84851d4b3246272addc30f3353eb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d0682be318910e028bdf57c90a1695ffc34be37",
                            "lessThan": "6e359d8cb8580b9874801dea930086effd4d9c62",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d0682be318910e028bdf57c90a1695ffc34be37",
                            "lessThan": "e55d48f21f591a9fe80d26b5fbd1912ea725d9e6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d0682be318910e028bdf57c90a1695ffc34be37",
                            "lessThan": "63b19ec2863b2cb5279b746ecd3d6210b1a93945",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5d0682be318910e028bdf57c90a1695ffc34be37",
                            "lessThan": "ed697a5f667435bbb1cedbe5bd9f300de645047d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "security/keys/trusted-keys/trusted_tpm1.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.224",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.191",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.161",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.115",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.60",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.14",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3.1",
                            "lessThanOrEqual": "7.3.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "5.15.224"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.1.191"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.6.161"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.12.115"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.18.60"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "7.2.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "7.3.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4876f09ce222e140a73aad950882b3605440c935"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2d92a0f87c338a08367aff05edd1ade86da4ac8d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/234d09bb3b3d84851d4b3246272addc30f3353eb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6e359d8cb8580b9874801dea930086effd4d9c62"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e55d48f21f591a9fe80d26b5fbd1912ea725d9e6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/63b19ec2863b2cb5279b746ecd3d6210b1a93945"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ed697a5f667435bbb1cedbe5bd9f300de645047d"
                }
            ],
            "title": "keys/trusted_keys: return immediately after TPM unseal failure",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}