{"id":"CVE-2026-89959","revision":"7be5b74fafcb40fd8485ec8a85a1b7bd","records":[{"revision":"7be5b74fafcb40fd8485ec8a85a1b7bd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89959","aliases":[],"title":"s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove\n\nThe vfio_ap_config_remove function uses the bitmap_andnot function to clear\nbits from the matrix_mdev->matrix.adm bitmap (specifies the control domains\nassigned to the mdev). This prevents the explicitly unplugged control\ndomains from being removed the KVM guest. The bitmap_and function is used\ninstead.","state":0,"publishedAt":"2026-09-16T10:32:41.908+00:00","modifiedAt":"2026-10-19T08:55:33.075+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                        \"drivers/s390/crypto/vfio_ap_ops.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"eeb386aeb5b7c8d2dae6a3ba49255d8a97803182\",\n                            \"lessThan\": \"12871a4269f139221c9fde9ea3eb69c9228f59d4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eeb386aeb5b7c8d2dae6a3ba49255d8a97803182\",\n                            \"lessThan\": \"02e72909453dee2f8a09f78819f9a9cb902dfbdc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eeb386aeb5b7c8d2dae6a3ba49255d8a97803182\",\n                            \"lessThan\": \"4bffadde7fc49b00493fb78c6376f958998d4b8c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eeb386aeb5b7c8d2dae6a3ba49255d8a97803182\",\n                            \"lessThan\": \"f7d66afc34bc6e833c8ebe56973afec35f473bc1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eeb386aeb5b7c8d2dae6a3ba49255d8a97803182\",\n                            \"lessThan\": \"2ff68bf414de167bc138e6e211ee1ad3ab3c5052\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"eeb386aeb5b7c8d2dae6a3ba49255d8a97803182\",\n                            \"lessThan\": \"6b8a02e216f6b520cc029e43ddc83956605135d5\",\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                        \"drivers/s390/crypto/vfio_ap_ops.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\": \"6.1.188\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.157\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.110\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.51\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\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":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/12871a4269f139221c9fde9ea3eb69c9228f59d4","https://git.kernel.org/stable/c/02e72909453dee2f8a09f78819f9a9cb902dfbdc","https://git.kernel.org/stable/c/4bffadde7fc49b00493fb78c6376f958998d4b8c","https://git.kernel.org/stable/c/f7d66afc34bc6e833c8ebe56973afec35f473bc1","https://git.kernel.org/stable/c/2ff68bf414de167bc138e6e211ee1ad3ab3c5052","https://git.kernel.org/stable/c/6b8a02e216f6b520cc029e43ddc83956605135d5"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89959","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89959","identifiers":["CVE-2026-89959"]},"retained":false,"historicalAffected":[]}],"coverage":[]}