{"schema_version":"1.9.0","id":"CVE-2023-2861","published":"2023-12-06T06:19:40.625Z","modified":"2026-08-12T03:51:11.433059406Z","related":["SUSE-SU-2023:3015-1","SUSE-SU-2023:3082-1","SUSE-SU-2023:3082-2","SUSE-SU-2023:3234-1","SUSE-SU-2023:3721-1","SUSE-SU-2023:3800-1","SUSE-SU-2024:2977-1","openSUSE-SU-2024:13058-1"],"summary":"Qemu: 9pfs: improper access control on special files","details":"A flaw was found in the 9p passthrough filesystem (9pfs) implementation in QEMU. The 9pfs server did not prohibit opening special files on the host side, potentially allowing a malicious client to escape from the exported 9p tree by creating and opening a device file in the shared folder.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qemu/qemu","events":[{"introduced":"0"},{"fixed":"7e5a8bb22368b3555644cb2debd3df24592f3a21"}],"database_specific":{"cpe":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"8.1.0"}],"source":"CPE_RANGE"}}],"versions":["v8.1.0-rc4","v8.1.0-rc3","v8.1.0-rc2","v8.1.0-rc1","v8.1.0-rc0","v8.0.0","v8.0.0-rc4","v8.0.0-rc3","v8.0.0-rc2","v7.2.0","v8.0.0-rc1","v8.0.0-rc0","v7.2.0-rc4","v7.2.0-rc3","v7.2.0-rc2","v7.2.0-rc1","v7.2.0-rc0","v7.1.0","v7.1.0-rc4","v7.1.0-rc3","v7.1.0-rc2","v7.1.0-rc1","v7.1.0-rc0","v7.0.0","v7.0.0-rc4","v7.0.0-rc3","v7.0.0-rc2","v7.0.0-rc1","v7.0.0-rc0","v6.2.0","v6.2.0-rc4","v6.1.0","v6.2.0-rc3","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","v6.0.0-rc5","v6.0.0-rc4","v6.0.0-rc3","v6.0.0-rc2","v6.0.0-rc1","v6.0.0-rc0","v5.2.0","v5.2.0-rc4","v5.2.0-rc3","v5.2.0-rc2","v5.2.0-rc1","v5.2.0-rc0","v5.0.0","v5.1.0","v5.1.0-rc3","v5.1.0-rc2","v5.1.0-rc1","v5.1.0-rc0","v4.2.0","v5.0.0-rc4","v5.0.0-rc3","v5.0.0-rc2","v5.0.0-rc1","v5.0.0-rc0","v4.2.0-rc5","v4.2.0-rc4","v4.2.0-rc3","v4.2.0-rc2","v4.2.0-rc1","v4.2.0-rc0","v4.1.0","v4.0.0","v4.1.0-rc5","v4.1.0-rc4","v4.1.0-rc3","v4.1.0-rc2","v4.1.0-rc1","v4.1.0-rc0","v4.0.0-rc4","v4.0.0-rc3","v4.0.0-rc2","v4.0.0-rc1","v3.1.0","v4.0.0-rc0","v3.0.0","v3.1.0-rc5","v3.1.0-rc4","v3.1.0-rc3","v3.1.0-rc2","v3.1.0-rc1","v3.1.0-rc0","v3.0.0-rc4","v3.0.0-rc3","v3.0.0-rc2","v3.0.0-rc1","v3.0.0-rc0","v2.12.0","v2.12.0-rc4","v2.12.0-rc3","v2.12.0-rc2","v2.12.0-rc1","v2.12.0-rc0","v2.11.0","v2.11.0-rc5","v2.11.0-rc4","v2.11.0-rc3","v2.11.0-rc2","v2.11.0-rc1","v2.11.0-rc0","v2.10.0","v2.10.0-rc4","v2.10.0-rc3","v2.10.0-rc2","v2.10.0-rc1","v2.9.0","v2.10.0-rc0","v2.9.0-rc5","v2.9.0-rc4","v2.9.0-rc3","v2.9.0-rc2","v2.9.0-rc1","v2.8.0","v2.9.0-rc0","v2.8.0-rc4","v2.8.0-rc3","v2.8.0-rc2","v2.8.0-rc1","v2.8.0-rc0","v2.7.0","v2.7.0-rc5","v2.7.0-rc4","v2.7.0-rc3","v2.7.0-rc2","v2.6.0","v2.7.0-rc1","v2.7.0-rc0","v2.6.0-rc5","v2.6.0-rc4","v2.6.0-rc3","v2.6.0-rc2","v2.6.0-rc1","v2.6.0-rc0","v2.5.0","v2.5.0-rc4","v2.5.0-rc3","v2.5.0-rc2","v2.5.0-rc1","v2.5.0-rc0","v2.4.0","v2.4.0-rc4","v2.4.0-rc3","v2.3.0","v2.4.0-rc2","v2.4.0-rc1","v2.4.0-rc0","v2.3.0-rc4","v2.3.0-rc3","v2.3.0-rc2","v2.3.0-rc1","v2.3.0-rc0","v2.2.0","v2.2.0-rc3","v2.2.0-rc5","v2.2.0-rc4","v2.2.0-rc2","v2.2.0-rc1","v2.2.0-rc0","v2.1.0","v2.1.0-rc5","v2.1.0-rc4","v2.1.0-rc2","v2.1.0-rc3","v2.0.0","v2.1.0-rc1","v2.1.0-rc0","v2.0.0-rc3","v2.0.0-rc2","v2.0.0-rc1","v2.0.0-rc0","v1.7.0","v1.7.0-rc2","v1.7.0-rc1","v1.7.0-rc0","v1.6.0","v1.6.0-rc3","v1.6.0-rc2","v1.6.0-rc1","v1.6.0-rc0","v1.5.0","v1.5.0-rc3","v1.5.0-rc2","v1.5.0-rc1","v1.5.0-rc0","v1.4.0","v1.4.0-rc2","v1.4.0-rc1","v1.4.0-rc0","v1.3.0","v1.3.0-rc2","v1.3.0-rc1","v1.3.0-rc0","v1.2.0","v1.2.0-rc3","v1.2.0-rc2","v1.2.0-rc1","v1.2.0-rc0","v1.1.0","v1.1.0-rc4","v1.1.0-rc3","v1.1.0-rc2","v1.1-rc2","v1.1-rc1","v1.1-rc0","v1.0","v1.0-rc4","v1.0-rc3","v1.0-rc2","v1.0-rc1","v1.0-rc0","v0.14.0-rc0","v0.13.0-rc0","v0.12.0-rc0","v0.11.0-rc0","v0.5.0","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.0","v0.2.0","v0.1.6","v0.1.5","v0.1.4","v0.1.3","v0.1.1","v0.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-2861.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/qemu-project/qemu","events":[{"introduced":"0"},{"fixed":"7e5a8bb22368b3555644cb2debd3df24592f3a21"}],"database_specific":{"cpe":"cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"8.1.0"}],"source":"CPE_RANGE"}}],"versions":["v8.1.0-rc4","v8.1.0-rc3","v8.1.0-rc2","v8.1.0-rc1","v8.1.0-rc0","v8.0.0","v8.0.0-rc4","v8.0.0-rc3","v8.0.0-rc2","v7.2.0","v8.0.0-rc1","v8.0.0-rc0","v7.2.0-rc4","v7.2.0-rc3","v7.2.0-rc2","v7.2.0-rc1","v7.2.0-rc0","v7.1.0","v7.1.0-rc4","v7.1.0-rc3","v7.1.0-rc2","v7.1.0-rc1","v7.1.0-rc0","v7.0.0","v7.0.0-rc4","v7.0.0-rc3","v7.0.0-rc2","v7.0.0-rc1","v7.0.0-rc0","v6.2.0","v6.2.0-rc4","v6.1.0","v6.2.0-rc3","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","v6.0.0-rc5","v6.0.0-rc4","v6.0.0-rc3","v6.0.0-rc2","v6.0.0-rc1","v6.0.0-rc0","v5.2.0","v5.2.0-rc4","v5.2.0-rc3","v5.2.0-rc2","v5.2.0-rc1","v5.2.0-rc0","v5.0.0","v5.1.0","v5.1.0-rc3","v5.1.0-rc2","v5.1.0-rc1","v5.1.0-rc0","v4.2.0","v5.0.0-rc4","v5.0.0-rc3","v5.0.0-rc2","v5.0.0-rc1","v5.0.0-rc0","v4.2.0-rc5","v4.2.0-rc4","v4.2.0-rc3","v4.2.0-rc2","v4.2.0-rc1","v4.2.0-rc0","v4.1.0","v4.0.0","v4.1.0-rc5","v4.1.0-rc4","v4.1.0-rc3","v4.1.0-rc2","v4.1.0-rc1","v4.1.0-rc0","v4.0.0-rc4","v4.0.0-rc3","v4.0.0-rc2","v4.0.0-rc1","v3.1.0","v4.0.0-rc0","v3.0.0","v3.1.0-rc5","v3.1.0-rc4","v3.1.0-rc3","v3.1.0-rc2","v3.1.0-rc1","v3.1.0-rc0","v3.0.0-rc4","v3.0.0-rc3","v3.0.0-rc2","v3.0.0-rc1","v3.0.0-rc0","v2.12.0","v2.12.0-rc4","v2.12.0-rc3","v2.12.0-rc2","v2.12.0-rc1","v2.12.0-rc0","v2.11.0","v2.11.0-rc5","v2.11.0-rc4","v2.11.0-rc3","v2.11.0-rc2",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