NULL Pointer Dereference Affecting qemu-project/qemu Open this link in a new tab package, versions [,6.2.0)


0.0
high
  • Attack Complexity

    Low

  • Availability

    High

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  • snyk-id

    SNYK-UNMANAGED-QEMUPROJECTQEMU-2932994

  • published

    21 Jun 2022

  • disclosed

    21 Jun 2022

  • credit

    Unknown

How to fix?

Upgrade qemu-project/qemu to version 6.2.0 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference where the self pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A malicious unprivileged user within the guest could use this flaw to crash the QEMU process on the host when writing data reaches the threshold of mirroring node.