Incorrect Synchronization Affecting virt:rhel/qemu-kvm-block-gluster package, versions <15:6.2.0-49.module+el8.10.0+21533+3df3c4b6


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-6042426
  • published1 Nov 2023
  • disclosed21 Sept 2023

Introduced: 21 Sep 2023

CVE-2023-5088  (opens in a new tab)
CWE-821  (opens in a new tab)

How to fix?

Upgrade RHEL:8 virt:rhel/qemu-kvm-block-gluster to version 15:6.2.0-49.module+el8.10.0+21533+3df3c4b6 or higher.
This issue was patched in RHSA-2024:2962.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/qemu-kvm-block-gluster package and not the virt:rhel/qemu-kvm-block-gluster package as distributed by RHEL. See How to fix? for RHEL: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