Incorrect Synchronization Affecting qemu-guest-agent package, versions <10:3.1.0-8.amzn2.0.15


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-AMZN2-QEMUGUESTAGENT-6062233
  • published16 Nov 2023
  • disclosed3 Nov 2023

Introduced: 3 Nov 2023

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

How to fix?

Upgrade Amazon-Linux:2 qemu-guest-agent to version 10:3.1.0-8.amzn2.0.15 or higher.
This issue was patched in ALAS2-2023-2336.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-guest-agent package and not the qemu-guest-agent package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 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