{"id":"CVE-2020-25741","details":"fdctrl_write_data in hw/block/fdc.c in QEMU 5.0.0 has a NULL pointer dereference via a NULL block pointer for the current drive.","modified":"2026-07-09T00:06:47.483112Z","published":"2020-10-02T09:15:13.807Z","references":[{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/09/29/1"},{"type":"ADVISORY","url":"https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Ffdc_nullptr1"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20201009-0005/"},{"type":"FIX","url":"https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05295.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"fdd76fecdde1ad444ff4deb7f1c4f7e4a1ef97d6"},{"last_affected":"fdd76fecdde1ad444ff4deb7f1c4f7e4a1ef97d6"}],"database_specific":{"cpe":"cpe:2.3:a:qemu:qemu:5.0.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"5.0.0-NA"},{"last_affected":"5.0.0-NA"}],"source":"CPE_STRING"}}],"versions":["5.0.0-NA","v5.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25741.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"fdd76fecdde1ad444ff4deb7f1c4f7e4a1ef97d6"},{"last_affected":"fdd76fecdde1ad444ff4deb7f1c4f7e4a1ef97d6"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:qemu:qemu:5.0.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"5.0.0-NA"},{"last_affected":"5.0.0-NA"}]}}],"versions":["5.0.0-NA","v5.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-25741.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L"}]}