Memory Leakage Issue in QEMU's Vhost-Vsock Device

CVE-2022-26354

What is CVE-2022-26354?

A flaw exists in the vhost-vsock device of QEMU that allows for memory leakage. If an error occurs, an invalid element may not be properly detached from the virtqueue prior to freeing its memory. This oversight not only leads to potential memory leakage but may also result in various unexpected behaviors that could compromise system stability and security. Users of QEMU versions up to 6.2.0 should evaluate their environments and apply relevant security updates to mitigate this risk.

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