Divide By Zero Affecting qemu-pr-helper package, versions <17:8.2.0-11.el9_4


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX9-QEMUPRHELPER-6811325
  • published7 May 2024
  • disclosed30 Apr 2024

Introduced: 30 Apr 2024

CVE-2023-42467  (opens in a new tab)
CWE-369  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade AlmaLinux:9 qemu-pr-helper to version 17:8.2.0-11.el9_4 or higher.
This issue was patched in ALSA-2024:2135.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-pr-helper package and not the qemu-pr-helper package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in hw/scsi/scsi-disk.c because scsi_disk_emulate_mode_select does not prevent s->qdev.blocksize from being 256. This stops QEMU and the guest immediately.

CVSS Scores

version 3.1