This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2018-7550 →

DEBIAN-CVE-2018-7550

The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host...

Original description

The description as published by the source.

The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 qemu

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.12~rc3+dfsg-1"}]}]

Debian:13 qemu

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.12~rc3+dfsg-1"}]}]

Debian:14 qemu

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.12~rc3+dfsg-1"}]}]

References

advisory security-tracker.debian.org