Off-by-one Error Affecting libvirt-daemon-driver-storage package, versions <0:6.0.0-37.module+el8.5.0+670+c4aa478c


Severity

Recommended
low

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-ROCKY8-LIBVIRTDAEMONDRIVERSTORAGE-3278875
  • published5 Jan 2023
  • disclosed18 Feb 2022

Introduced: 18 Feb 2022

CVE-2021-3930  (opens in a new tab)
CWE-193  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 libvirt-daemon-driver-storage to version 0:6.0.0-37.module+el8.5.0+670+c4aa478c or higher.
This issue was patched in RLSA-2021:5238.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libvirt-daemon-driver-storage package and not the libvirt-daemon-driver-storage package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.

CVSS Scores

version 3.1