CVE-2021-4207
N/A
N/A
Summary
A flaw was found in the QXL display device emulation in QEMU. A double fetch of guest controlled values cursor->header.width and cursor->header.height can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. A malicious privileged guest user could use this flaw to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | QEMU | qemu-kvm 7.0.0 | affected |
Weaknesses
- CWE-362: CWE-362->CWE-120
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=2036966
- https://starlabs.sg/advisories/21-4207/
- https://www.debian.org/security/2022/dsa-5133
- https://security.gentoo.org/glsa/202208-27
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.netapp.com/advisory/ntap-20250321-0009/
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2036966
- https://starlabs.sg/advisories/21-4207/
- https://www.debian.org/security/2022/dsa-5133
- https://security.gentoo.org/glsa/202208-27
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
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