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CVE-2018-7550 · cross-distro fix matrix

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 via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2018-7550 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • qemu→ fixed in1:2.12~rc3+dfsg-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y qemu

Debian bookworm

Source: Debian Security Tracker

  • qemu→ fixed in1:2.12~rc3+dfsg-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y qemu

Debian trixie

Source: Debian Security Tracker

  • qemu→ fixed in1:2.12~rc3+dfsg-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y qemu
Are YOU affected by CVE-2018-7550?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
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