NULL Pointer Dereference Affecting qemu package, versions <1:2.11+dfsg-1ubuntu7.31


Severity

Recommended
0.0
low
0
10

Based on Ubuntu security rating

    Threat Intelligence

    EPSS
    0.05% (18th percentile)

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  • Snyk ID SNYK-UBUNTU1804-QEMU-598124
  • published 1 Jun 2020
  • disclosed 2 Jun 2020

How to fix?

Upgrade Ubuntu:18.04 qemu to version 1:2.11+dfsg-1ubuntu7.31 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.

address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.

CVSS Scores

version 3.1
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NVD

2.5 low
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • 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

5.3 medium
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Red Hat

2.5 low