{"id":"CVE-2026-89959","published":"2026-09-16T11:17:06.320","lastModified":"2026-09-16T15:18:20.433","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.","cvssScore":8.8,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/02e72909453dee2f8a09f78819f9a9cb902dfbdc","tags":[]},{"url":"https://git.kernel.org/stable/c/12871a4269f139221c9fde9ea3eb69c9228f59d4","tags":[]},{"url":"https://git.kernel.org/stable/c/2ff68bf414de167bc138e6e211ee1ad3ab3c5052","tags":[]},{"url":"https://git.kernel.org/stable/c/4bffadde7fc49b00493fb78c6376f958998d4b8c","tags":[]},{"url":"https://git.kernel.org/stable/c/6b8a02e216f6b520cc029e43ddc83956605135d5","tags":[]},{"url":"https://git.kernel.org/stable/c/f7d66afc34bc6e833c8ebe56973afec35f473bc1","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}