CVE-2023-5088
Qemu: improper ide controller reset can lead to mbr overwrite
A bug in QEMU could cause a guest I/O operation otherwise addressed to an arbitrary disk offset to be targeted to offset 0 instead (potentially overwriting the VM's boot code). This could be used, for example, by L2 guests with a virtual disk (vdiskL2) stored on a virtual disk of an L1 (vdiskL1) hypervisor to read and/or write data to LBA 0 of vdiskL1, potentially gaining control of L1 at its next reboot.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8 Advanced VirtualizationRed Hat · Red Hat Enterprise Linux 9Quer saber se a sua infraestrutura está exposta a isto?
Falar com a TrueHacking →Referências
https://access.redhat.com/errata/RHSA-2024:2135https://access.redhat.com/errata/RHSA-2024:2962https://access.redhat.com/security/cve/CVE-2023-5088https://bugzilla.redhat.com/show_bug.cgi?id=2247283https://lists.debian.org/debian-lts-announce/2024/03/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2025/04/msg00042.htmlhttps://lore.kernel.org/all/20230921160712.99521-1-simon.rowe@nutanix.com/T/https://security.netapp.com/advisory/ntap-20231208-0005/