Race Condition Affecting libguestfs-rsync package, versions <1:1.40.2-28.0.4.module+el8.8.0+21148+e83324c8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ORACLE8-LIBGUESTFSRSYNC-5949872
  • published 24 Sep 2023
  • disclosed 13 Sep 2023

How to fix?

Upgrade Oracle:8 libguestfs-rsync to version 1:1.40.2-28.0.4.module+el8.8.0+21148+e83324c8 or higher.
This issue was patched in ELSA-2024-12152.

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.

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.

CVSS Scores

version 3.1
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NVD

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

5.6 medium
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Red Hat

5.6 medium