{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80709",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.787Z",
        "datePublished": "2026-08-28T06:53:09.439Z",
        "dateUpdated": "2026-08-28T06:53:09.439Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-28T06:53:09.439Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/zcrypt: Fix wrong domain value verification with EP11 CPRBs\n\nThere is a wrong upper limit check for the domain value when an EP11\nCPRB is processed for sending to a crypto card. This check is only\nactive on custom device nodes but may lead to access heap memory\nbehind perms->adm when an administrative CPRB is sent.\nAdd correct limit (AP_DOMAINS = 256) checking to fix this."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/s390/crypto/zcrypt_api.c"
                    ],
                    "versions": [
                        {
                            "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
                            "lessThan": "4589f742718d0256ea6dd1f5a78be6e689bdb8aa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
                            "lessThan": "b505dcc8307d64468b463dfad45a03bf865c637e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
                            "lessThan": "13e53d6ae1c3b2ff1be75b9ef09be26f4ec3ce15",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
                            "lessThan": "672b12940e3f1336dfed5287412a71500adf2a76",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
                            "lessThan": "1223477ca88e2396eca440919d0ca8754df79bd5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cfd68b33094e1a92249850ff3c3c92ae9112a541",
                            "lessThan": "983279d7f86ade73db86f886e09172dd567031b5",
                            "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/s390/crypto/zcrypt_api.c"
                    ],
                    "versions": [
                        {
                            "version": "5.18",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.18",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.151",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.103",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.44",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.8",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "5.18",
                                    "versionEndExcluding": "6.1.183"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.6.151"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.12.103"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "6.18.44"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "7.1.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.18",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4589f742718d0256ea6dd1f5a78be6e689bdb8aa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b505dcc8307d64468b463dfad45a03bf865c637e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/13e53d6ae1c3b2ff1be75b9ef09be26f4ec3ce15"
                },
                {
                    "url": "https://git.kernel.org/stable/c/672b12940e3f1336dfed5287412a71500adf2a76"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1223477ca88e2396eca440919d0ca8754df79bd5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/983279d7f86ade73db86f886e09172dd567031b5"
                }
            ],
            "title": "s390/zcrypt: Fix wrong domain value verification with EP11 CPRBs",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}