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.
No analysis available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-34014 | 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. |
References
History
Wed, 16 Jul 2025 13:45:00 +0000
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2024-08-03T17:16:04.234Z
Reserved: 2021-12-21T00:00:00.000Z
Link: CVE-2021-4145
No data.
Status : Modified
Published: 2022-01-25T20:15:08.657
Modified: 2024-11-21T06:36:59.903
Link: CVE-2021-4145
OpenCVE Enrichment
No data.
Weaknesses
EUVD