Qemu · Qemu · CVE-2022-4144
**Name of the Vulnerable Software and Affected Versions**
QEMU (affected versions not specified)
**Description**
An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The `qxl phys2virt()` function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host, causing a denial of service condition.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.