Loop with Unreachable Exit Condition ('Infinite Loop') Affecting libvirt-daemon-driver-storage-iscsi package, versions <0:6.0.0-35.1.0.1.module+el8.4.0+20285+126f2e4b


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-ORACLE8-LIBVIRTDAEMONDRIVERSTORAGEISCSI-2584993
  • published10 Apr 2022
  • disclosed18 Mar 2021

Introduced: 18 Mar 2021

CVE-2021-3416  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Oracle:8 libvirt-daemon-driver-storage-iscsi to version 0:6.0.0-35.1.0.1.module+el8.4.0+20285+126f2e4b or higher.
This issue was patched in ELSA-2021-3061.

NVD Description

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

A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.

CVSS Base Scores

version 3.1