{"id":"CVE-2026-98651","revision":"3b8f4e60e452491398fc892e19a3e9ed","records":[{"revision":"3b8f4e60e452491398fc892e19a3e9ed","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98651","aliases":[],"title":"KVM: s390: Properly handle NULL pointer in dat_cond_set_storage_key()","description":"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.","state":0,"publishedAt":"2026-10-18T15:20:22.978+00:00","modifiedAt":"2026-10-19T09:23:20.711+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/s390/kvm/dat.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"8e03e8316eb242af307d1c789d09f1a1457cf9a3\",\n                            \"lessThan\": \"75867536746ab2d034488a6a93ee6cde83553342\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"8e03e8316eb242af307d1c789d09f1a1457cf9a3\",\n                            \"lessThan\": \"88e22ffd1e46b95e40a6afabe486deb1d31a3ae1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"arch/s390/kvm/dat.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.9\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/75867536746ab2d034488a6a93ee6cde83553342","https://git.kernel.org/stable/c/88e22ffd1e46b95e40a6afabe486deb1d31a3ae1"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98651","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98651","identifiers":["CVE-2026-98651"]},"retained":false,"historicalAffected":[]}],"coverage":[]}