CVE-2023-5088
CVSS 3.1 Score 7.0 of 10 (high)
Details
Published Nov 3, 2023
Updated: May 22, 2024
CWE ID 821
CWE ID 662
Summary
CVE-2023-5088 is a vulnerability affecting QEMU, an open-source virtual machine emulator. This bug allows guest I/O operations to be redirected to offset 0 instead of the intended arbitrary disk offset. For instance, L2 guests with a vdiskL2 on a vdiskL1 hypervisor can exploit this vulnerability to read and write data to LBA 0 of vdiskL1, potentially gaining control of the L1 hypervisor upon its next reboot. This issue could have severe implications, especially in cloud computing environments, and requires immediate patching to prevent unauthorized access.
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Affected Products
- QEMU
- Red Hat Enterprise Linux
Affected Vendors
- Qemu
- Red Hat
Advisories, Assessments, and Mitigations
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