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| CVE ID: | CVE-2021-3682 |
| Description: | A flaw was found in the USB redirector device emulation of QEMU in versions prior to 6.1.0-rc2. It occurs when dropping packets during a bulk transfer from a SPICE client due to the packet queue being full. A malicious SPICE client could use this flaw to make QEMU call free() with faked heap chunk metadata, resulting in a crash of QEMU or potential code execution with the privileges of the QEMU process on the host. |
| Test IDs: | 1.3.6.1.4.1.25623.1.0.893099 1.3.6.1.4.1.25623.1.0.892753 |
| Cross References: |
Common Vulnerability Exposure (CVE) ID: CVE-2021-3682 Debian Security Information: DSA-4980 (Google Search) https://www.debian.org/security/2021/dsa-4980 https://security.gentoo.org/glsa/202208-27 https://bugzilla.redhat.com/show_bug.cgi?id=1989651 https://bugzilla.redhat.com/show_bug.cgi?id=1989651 https://lists.debian.org/debian-lts-announce/2021/09/msg00000.html https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html |