NULL Pointer Dereference Affecting qemu-project/qemu package, versions [,6.0.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-UNMANAGED-QEMUPROJECTQEMU-3007080
  • published26 Jan 2022
  • disclosed28 May 2021
  • creditUnknown

Introduced: 28 May 2021

CVE-2020-35505  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade qemu-project/qemu to version 6.0.0 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference. A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1