CVE-2021-4145

State
Published
Severity
Not scored
Published
Jan 25, 2022
Updated
Aug 3, 2024
Reserved
Dec 21, 2021

Read the record on cve.org

Description

A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. 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.

Scores

The record has no CVSS score.

Weaknesses

Affected Products

ProductVersions
QEMUn/a
  • qemu-kvm 6.2.0Affected

References

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