{"id":"CVE-2026-80684","revision":"aca8631249e14a61818a8296c4b16b4d","records":[{"revision":"aca8631249e14a61818a8296c4b16b4d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-80684","aliases":[],"title":"KVM: s390: pci: Fix NULL dereference on AIBV allocation failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: pci: Fix NULL dereference on AIBV allocation failure\n\nThe airq_iv_create() can return NULL on failure, but the return value was\nnever checked. If it fails, zdev->aibv will be NULL and fail when\ndereferenced in kvm_zpci_set_airq(). Add a NULL check and free the\npreviously allocated AISB bit and zdev->aisb on failure.","state":0,"publishedAt":"2026-08-28T06:52:50.703+00:00","modifiedAt":"2026-10-16T19:26:33.268+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/pci.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc\",\n                            \"lessThan\": \"96099486b63985801c9c6ef22505e9aa635b2d20\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc\",\n                            \"lessThan\": \"0a95abe964400771ad82b027d7b84a0d183cd0db\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc\",\n                            \"lessThan\": \"df947d85e164a50a29d43a96e814f69ab1d0f7ed\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc\",\n                            \"lessThan\": \"e137d082325bbcae780087b57501d38585e625d9\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc\",\n                            \"lessThan\": \"d1a103dc9016c25e7423ce5841a5cc2df76d59f3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"3c5a1b6f0a18520a0edd0600fef6f1a8553b8fdc\",\n                            \"lessThan\": \"8bf09b9b7d3232806df95f409581f8a9fd99a3fa\",\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/pci.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.151\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.103\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.44\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.8\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":9.3,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/96099486b63985801c9c6ef22505e9aa635b2d20","https://git.kernel.org/stable/c/0a95abe964400771ad82b027d7b84a0d183cd0db","https://git.kernel.org/stable/c/df947d85e164a50a29d43a96e814f69ab1d0f7ed","https://git.kernel.org/stable/c/e137d082325bbcae780087b57501d38585e625d9","https://git.kernel.org/stable/c/d1a103dc9016c25e7423ce5841a5cc2df76d59f3","https://git.kernel.org/stable/c/8bf09b9b7d3232806df95f409581f8a9fd99a3fa"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80684","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-80684","identifiers":["CVE-2026-80684"]},"retained":false,"historicalAffected":[]}],"coverage":[]}