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Fixed

LIN1022-11867 : Security Advisory - qemu - CVE-2021-3682

Created: Nov 11, 2024    Updated: Jan 26, 2026
Resolved Date: Oct 13, 2025
Found In Version: 10.22.33.18
Fix Version: 10.22.33.19
Severity: Standard
Applicable for: Wind River Linux LTS 22
Component/s: Userspace

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.

CVEs

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