Integer Overflow or Wraparound Affecting libguestfs-rsync package, versions <1:1.40.2-28.0.1.module+el8.5.0+20482+a450964e


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.06% (24th percentile)

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  • Snyk ID SNYK-ORACLE8-LIBGUESTFSRSYNC-2604181
  • published 10 Apr 2022
  • disclosed 25 Feb 2021

How to fix?

Upgrade Oracle:8 libguestfs-rsync to version 1:1.40.2-28.0.1.module+el8.5.0+20482+a450964e or higher.
This issue was patched in ELSA-2022-9172.

NVD Description

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

An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.

CVSS Scores

version 3.1
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NVD

3.2 low
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Changed
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    Low
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SUSE

3.2 low
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Red Hat

3.2 low