{"id":"CVE-2021-3947","details":"A stack-buffer-overflow was found in QEMU in the NVME component. The flaw lies in nvme_changed_nslist() where a malicious guest controlling certain input can read out of bounds memory. A malicious user could use this flaw leading to disclosure of sensitive information.","modified":"2026-07-09T05:44:53.583575Z","published":"2022-02-18T18:15:09.750Z","references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202208-27"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20220318-0003/"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2021869"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"609d7596524ab204ccd71ef42c9eee4c7c338ea4"},{"last_affected":"f9baca549e44791be0dd98de15add3d8452a8af0"},{"introduced":"0a70bcf18caf7a61d480f8448723c15209d128ef"},{"last_affected":"67f9968ce3f0847ffddb6ee2837a3641acd92abf"}],"database_specific":{"extracted_events":[{"introduced":"6.0.0"},{"last_affected":"6.1.0"},{"introduced":"6.2.0-rc0"},{"last_affected":"6.2.0-rc0"},{"introduced":"6.2.0-rc1"},{"last_affected":"6.2.0-rc1"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:6.2.0:rc0:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:6.2.0:rc1:*:*:*:*:*:*"]}}],"versions":["6.2.0-rc0","6.2.0-rc1","v6.1.0","v6.2.0-rc1","v6.2.0-rc0","v6.0.0","v6.1.0-rc4","v6.1.0-rc3","v6.1.0-rc2","v6.1.0-rc1","v6.1.0-rc0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3947.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"609d7596524ab204ccd71ef42c9eee4c7c338ea4"},{"last_affected":"f9baca549e44791be0dd98de15add3d8452a8af0"},{"introduced":"0a70bcf18caf7a61d480f8448723c15209d128ef"},{"last_affected":"67f9968ce3f0847ffddb6ee2837a3641acd92abf"}],"database_specific":{"cpe":["cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:6.2.0:rc0:*:*:*:*:*:*","cpe:2.3:a:qemu:qemu:6.2.0:rc1:*:*:*:*:*:*"],"extracted_events":[{"introduced":"6.0.0"},{"last_affected":"6.1.0"},{"introduced":"6.2.0-rc0"},{"last_affected":"6.2.0-rc0"},{"introduced":"6.2.0-rc1"},{"last_affected":"6.2.0-rc1"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["6.2.0-rc0","6.2.0-rc1","v6.1.0","v6.2.0-rc1","v6.2.0-rc0","v6.0.0","v6.1.0-rc4","v6.1.0-rc3","v6.1.0-rc2","v6.1.0-rc1","v6.1.0-rc0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3947.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}