Search Results (4 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2025-47712 2 Nbdkit Project, Redhat 4 Nbdkit, Advanced Virtualization, Enterprise Linux and 1 more 2025-09-10 4.3 Medium
A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.
CVE-2025-47711 2 Nbdkit Project, Redhat 4 Nbdkit, Advanced Virtualization, Enterprise Linux and 1 more 2025-09-10 4.3 Medium
There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks. If a client makes a specific request for a very large data range, and a plugin responds with an even larger single block, the nbdkit server can encounter a critical internal error, leading to a denial-of-service.
CVE-2021-3930 3 Debian, Qemu, Redhat 11 Debian Linux, Qemu, Advanced Virtualization and 8 more 2024-11-21 6.5 Medium
An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.
CVE-2021-3748 5 Canonical, Debian, Fedoraproject and 2 more 7 Ubuntu Linux, Debian Linux, Fedora and 4 more 2024-11-21 7.5 High
A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to num_buffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process.