Missing Release of Resource after Effective Lifetime Affecting qemu package, versions <1:2.11+dfsg-1ubuntu7.40


Severity

Recommended
0.0
low
0
10

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-UBUNTU1804-QEMU-2422701
  • published 15 Mar 2022
  • disclosed 16 Mar 2022

How to fix?

Upgrade Ubuntu:18.04 qemu to version 1:2.11+dfsg-1ubuntu7.40 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 relevant fixed versions and status.

A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results. Affected QEMU versions <= 6.2.0.

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

2.5 low