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.
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History
Mon, 03 Nov 2025 20:30:00 +0000
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Thu, 12 Jun 2025 15:15:00 +0000
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Fri, 22 Nov 2024 12:00:00 +0000
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Status: PUBLISHED
Assigner: redhat
Published: 2023-11-03T13:58:50.085Z
Updated: 2025-11-06T22:57:21.072Z
Reserved: 2023-09-20T14:21:47.295Z
Link: CVE-2023-5088
Updated: 2025-11-03T19:28:43.683Z
Status : Modified
Published: 2023-11-03T14:15:08.560
Modified: 2025-11-03T20:16:06.617
Link: CVE-2023-5088