Unrated severityNVD Advisory· Published Apr 29, 2022· Updated Mar 21, 2025
CVE-2021-4206
CVE-2021-4206
Description
A flaw was found in the QXL display device emulation in QEMU. An integer overflow in the cursor_alloc() function can lead to the allocation of a small cursor object followed by a subsequent heap-based buffer overflow. This flaw allows a malicious privileged guest user to crash the QEMU process on the host or potentially execute arbitrary code within the context of the QEMU process.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- security.gentoo.org/glsa/202208-27mitrevendor-advisoryx_refsource_GENTOO
- www.debian.org/security/2022/dsa-5133mitrevendor-advisoryx_refsource_DEBIAN
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
- lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlmitremailing-listx_refsource_MLIST
- starlabs.sg/advisories/21-4206/mitrex_refsource_MISC
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