Off-by-one Error Affecting virt:av/libguestfs-java package, versions <1:1.44.0-3.module+el8.5.0+10681+17a9b157


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL8-VIRT-4423597
  • published6 Nov 2021
  • disclosed4 Feb 2021

Introduced: 4 Feb 2021

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

How to fix?

Upgrade RHEL:8 virt:av/libguestfs-java to version 1:1.44.0-3.module+el8.5.0+10681+17a9b157 or higher.
This issue was patched in RHSA-2022:0081.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:av/libguestfs-java package and not the virt:av/libguestfs-java package as distributed by RHEL. See How to fix? for RHEL: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