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CVE-2018-20191 · cross-distro fix matrix

CVE-2018-20191: hw/rdma/vmw/pvrdma_main.c in QEMU does not implement a read operation (such as uar_read by analogy to uar_write), which allows attackers to cause a denial of service (NULL pointer dereference).

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-20191 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • qemu→ fixed in1:4.1-1urgency: unimportant
    sudo apt-get install --only-upgrade -y qemu

Debian bookworm

Source: Debian Security Tracker

  • qemu→ fixed in1:4.1-1urgency: unimportant
    sudo apt-get install --only-upgrade -y qemu

Debian trixie

Source: Debian Security Tracker

  • qemu→ fixed in1:4.1-1urgency: unimportant
    sudo apt-get install --only-upgrade -y qemu
Are YOU affected by CVE-2018-20191?

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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