Loop with Unreachable Exit Condition ('Infinite Loop') Affecting virt:rhel/libiscsi-devel package, versions <0:1.18.0-8.module_el8.6.0+2880+7d9e3703


Severity

Recommended
0.0
medium
0
10

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.05% (21st percentile)

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  • Snyk IDSNYK-ALMALINUX8-VIRT-5642017
  • published28 May 2023
  • disclosed10 Aug 2021

Introduced: 10 Aug 2021

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

How to fix?

Upgrade AlmaLinux:8 virt:rhel/libiscsi-devel to version 0:1.18.0-8.module_el8.6.0+2880+7d9e3703 or higher.
This issue was patched in ALSA-2021:3061.

NVD Description

Note: Versions mentioned in the description apply only to the upstream virt:rhel/libiscsi-devel package and not the virt:rhel/libiscsi-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux: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 Scores

version 3.1