{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89925",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.775Z",
        "datePublished": "2026-09-16T10:32:18.111Z",
        "dateUpdated": "2026-10-19T08:55:00.155Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:55:00.155Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Fix memory leak in guest debug handling\n\nbp_data is freed only for the error case by kfree(bp_data).\nEvery successful KVM_SET_GUEST_DEBUG will leak bp_data."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/s390/kvm/guestdbg.c"
                    ],
                    "versions": [
                        {
                            "version": "27291e2165b6de70c476b7b675308113edd69a60",
                            "lessThan": "39e7cebb889839b5762c9ad22e2d715b5883b288",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "58b1b729a9f90c80b508fc3e2174cbc0ee50859e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27291e2165b6de70c476b7b675308113edd69a60",
                            "lessThan": "9071f75cbde3bf46119cb28e92cfbef830c4bf97",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27291e2165b6de70c476b7b675308113edd69a60",
                            "lessThan": "5940418e4232a2ff1d30ba12e0d213dbf48f0a83",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27291e2165b6de70c476b7b675308113edd69a60",
                            "lessThan": "fc2034c431adcbaabf5f8a01912358f07355349e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27291e2165b6de70c476b7b675308113edd69a60",
                            "lessThan": "44bf3792c10f4bb3de507391f1837e020d92eaa2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27291e2165b6de70c476b7b675308113edd69a60",
                            "lessThan": "581be9f6085834188cef1ad2f07babf3b421e409",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "27291e2165b6de70c476b7b675308113edd69a60",
                            "lessThan": "121ea1de927c8b9bfdf53c31cad27b86d5de0293",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/s390/kvm/guestdbg.c"
                    ],
                    "versions": [
                        {
                            "version": "3.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.16",
                                    "versionEndExcluding": "5.10.270"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/39e7cebb889839b5762c9ad22e2d715b5883b288"
                },
                {
                    "url": "https://git.kernel.org/stable/c/58b1b729a9f90c80b508fc3e2174cbc0ee50859e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9071f75cbde3bf46119cb28e92cfbef830c4bf97"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5940418e4232a2ff1d30ba12e0d213dbf48f0a83"
                },
                {
                    "url": "https://git.kernel.org/stable/c/fc2034c431adcbaabf5f8a01912358f07355349e"
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                {
                    "url": "https://git.kernel.org/stable/c/44bf3792c10f4bb3de507391f1837e020d92eaa2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/581be9f6085834188cef1ad2f07babf3b421e409"
                },
                {
                    "url": "https://git.kernel.org/stable/c/121ea1de927c8b9bfdf53c31cad27b86d5de0293"
                }
            ],
            "title": "KVM: s390: Fix memory leak in guest debug handling",
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}