{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-56550",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-12-27T14:03:05.989Z",
        "datePublished": "2024-12-27T14:22:52.403Z",
        "dateUpdated": "2026-05-23T15:55:38.550Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:55:38.550Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/stacktrace: Use break instead of return statement\n\narch_stack_walk_user_common() contains a return statement instead of a\nbreak statement in case store_ip() fails while trying to store a callchain\nentry of a user space process.\nThis may lead to a missing pagefault_enable() call.\n\nIf this happens any subsequent page fault of the process won't be resolved\nby the page fault handler and this in turn will lead to the process being\nkilled.\n\nUse a break instead of a return statement to fix this."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/s390/kernel/stacktrace.c"
                    ],
                    "versions": [
                        {
                            "version": "ebd912ff9919a10609511383d94942362234c077",
                            "lessThan": "20c26357826457dc7c8145297e60ddc012e18914",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ebd912ff9919a10609511383d94942362234c077",
                            "lessThan": "588a9836a4ef7ec3bfcffda526dfa399637e6cfc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "dd69165ac3dc12d8550aeec3fc4439c084ded3d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "6.9.4",
                            "lessThan": "6.10",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/s390/kernel/stacktrace.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.4",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.13",
                            "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": "6.10",
                                    "versionEndExcluding": "6.12.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.10",
                                    "versionEndExcluding": "6.13"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.9.4"
                                }
                            ]
                        }
                    ]
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/20c26357826457dc7c8145297e60ddc012e18914"
                },
                {
                    "url": "https://git.kernel.org/stable/c/588a9836a4ef7ec3bfcffda526dfa399637e6cfc"
                }
            ],
            "title": "s390/stacktrace: Use break instead of return statement",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}