Resource Exhaustion Affecting qemu-kvm-block-iscsi package, versions <15:6.2.0-50.module+el8.10.0+90365+4069216b


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.05% (15th percentile)

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  • Snyk ID SNYK-ORACLE8-QEMUKVMBLOCKISCSI-7536939
  • published 18 Jul 2024
  • disclosed 2 Jul 2024

How to fix?

Upgrade Oracle:8 qemu-kvm-block-iscsi to version 15:6.2.0-50.module+el8.10.0+90365+4069216b or higher.
This issue was patched in ELSA-2024-4420.

NVD Description

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

A flaw was found in the QEMU disk image utility (qemu-img) 'info' command. A specially crafted image file containing a json:{} value describing block devices in QMP could cause the qemu-img process on the host to consume large amounts of memory or CPU time, leading to denial of service or read/write to an existing external file.

CVSS Scores

version 3.1
Expand this section

Red Hat

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High