Improper Synchronization Affecting qemu-img package, versions <15:6.2.0-49.module+el8.10.0+90330+d0258130


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ORACLE8-QEMUIMG-6597292
  • published12 Apr 2024
  • disclosed3 Nov 2023

Introduced: 3 Nov 2023

CVE-2023-5088  (opens in a new tab)
CWE-662  (opens in a new tab)

How to fix?

Upgrade Oracle:8 qemu-img to version 15:6.2.0-49.module+el8.10.0+90330+d0258130 or higher.
This issue was patched in ELSA-2024-2962.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

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 Scores

version 3.1