{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98651", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.362Z", "datePublished": "2026-10-18T15:20:22.978Z", "dateUpdated": "2026-10-19T09:23:20.711Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:23:20.711Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()\n\nSome callers pass NULL as oldkey. Calling page_cond_set_storage_key()\nwill cause that NULL pointer to get dereferenced.\n\nFix by checking for NULL and assigning the pointer to a dummy local\nvariable to avoid crashes."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kvm/dat.c"], "versions": [{"version": "8e03e8316eb242af307d1c789d09f1a1457cf9a3", "lessThan": "75867536746ab2d034488a6a93ee6cde83553342", "status": "affected", "versionType": "git"}, {"version": "8e03e8316eb242af307d1c789d09f1a1457cf9a3", "lessThan": "88e22ffd1e46b95e40a6afabe486deb1d31a3ae1", "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/dat.c"], "versions": [{"version": "7.0", "status": "affected"}, {"version": "0", "lessThan": "7.0", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.9", "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": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.2.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/75867536746ab2d034488a6a93ee6cde83553342"}, {"url": "https://git.kernel.org/stable/c/88e22ffd1e46b95e40a6afabe486deb1d31a3ae1"}], "title": "KVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["arch/s390/kvm/dat.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "75867536746ab2d034488a6a93ee6cde83553342", "status": "affected", "version": "8e03e8316eb242af307d1c789d09f1a1457cf9a3", "versionType": "git"}, {"lessThan": "88e22ffd1e46b95e40a6afabe486deb1d31a3ae1", "status": "affected", "version": "8e03e8316eb242af307d1c789d09f1a1457cf9a3", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/s390/kvm/dat.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "7.0"}, {"lessThan": "7.0", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()\n\nSome callers pass NULL as oldkey. Calling page_cond_set_storage_key()\nwill cause that NULL pointer to get dereferenced.\n\nFix by checking for NULL and assigning the pointer to a dummy local\nvariable to avoid crashes."}], "id": "CVE-2026-98651", "lastModified": "2026-10-19T10:19:29.580", "metrics": {}, "published": "2026-10-18T16:17:18.387", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75867536746ab2d034488a6a93ee6cde83553342"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/88e22ffd1e46b95e40a6afabe486deb1d31a3ae1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: KVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()", "id": "2554932", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554932"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nKVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()\nSome callers pass NULL as oldkey. Calling page_cond_set_storage_key()\nwill cause that NULL pointer to get dereferenced.\nFix by checking for NULL and assigning the pointer to a dummy local\nvariable to avoid crashes.", "A flaw was found in the Linux kernel's KVM (Kernel-based Virtual Machine) subsystem for the s390 architecture. This vulnerability occurs when memory management routines fail to properly validate an empty pointer reference during storage key operations. A local attacker could exploit this flaw to cause the kernel to crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-98651", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98651\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98651\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98651.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8e03e8316eb242af307d1c789d09f1a1457cf9a3,75867536746ab2d034488a6a93ee6cde83553342)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8e03e8316eb242af307d1c789d09f1a1457cf9a3,88e22ffd1e46b95e40a6afabe486deb1d31a3ae1)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "7.0"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.9,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-18T19:15:14.232666+00:00", "updated": "2026-10-22T21:45:06.445078+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}