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Integer Underflow Affecting qemu-kvm-device-display-virtio-vga package, versions <17:7.2.0-14.el9_2

Severity

 Recommended
0.0
medium
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.17% (56th percentile)

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  • Snyk ID SNYK-ALMALINUX9-QEMUKVMDEVICEDISPLAYVIRTIOVGA-5632879
  • published 28 May 2023
  • disclosed 16 May 2023
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Introduced: 16 May 2023

CVE-2022-3165 Open this link in a new tab
CWE-191 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 qemu-kvm-device-display-virtio-vga to version 17:7.2.0-14.el9_2 or higher.
This issue was patched in ALSA-2023:2162.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-device-display-virtio-vga package and not the qemu-kvm-device-display-virtio-vga package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service.

References

CVSS Scores

version 3.1
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NVD

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

6.5 medium
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Red Hat

6.5 medium