Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue.

Summary

Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.

Timeline

1. Jul 27, 2018, 7:00 PM UTCCVE published
2. Aug 5, 2024, 2:02 PM UTCRecord last updated

Affected versions

• QEMU Qemu:

  2.8

References 23