发布于3月6日3月6日 Members Red Hat: CVE-2023-52762: kernel: virtio-blk: fix implicit overflow on virtio_max_dma_size (Multiple Advisories) Severity 5 CVSS (AV:L/AC:L/Au:S/C:N/I:N/A:C) Published 05/21/2024 Created 08/13/2024 Added 08/12/2024 Modified 12/05/2024 Description In the Linux kernel, the following vulnerability has been resolved: virtio-blk: fix implicit overflow on virtio_max_dma_size The following codes have an implicit conversion from size_t to u32: (u32)max_size = (size_t)virtio_max_dma_size(vdev); This may lead overflow, Ex (size_t)4G -> (u32)0. Once virtio_max_dma_size() has a larger size than U32_MAX, use U32_MAX instead. Solution(s) redhat-upgrade-kernel redhat-upgrade-kernel-rt References CVE-2023-52762 RHSA-2024:5101 RHSA-2024:5102 RHSA-2024:9315
