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.
Published 2023-11-03 14:15:09
Updated 2024-09-13 19:15:17
Source Red Hat, Inc.
View at NVD,   CVE.org

Products affected by CVE-2023-5088

Exploit prediction scoring system (EPSS) score for CVE-2023-5088

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-5088

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.0
HIGH CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
1.0
5.9
NIST
6.4
MEDIUM CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
0.5
5.9
Red Hat, Inc.

CWE ids for CVE-2023-5088

  • The product utilizes multiple threads or processes to allow temporary access to a shared resource that can only be exclusive to one process at a time, but it does not properly synchronize these actions, which might cause simultaneous accesses of this resource by multiple threads or processes.
    Assigned by: nvd@nist.gov (Primary)
  • The product utilizes a shared resource in a concurrent manner, but it does not correctly synchronize access to the resource.
    Assigned by: secalert@redhat.com (Secondary)

References for CVE-2023-5088

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