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CVE-2020-25637 · cross-distro fix matrix

CVE-2020-25637: A double free memory issue was found to occur in the libvirt API, in versions before 6.8.0, responsible for requesting information about network interfaces of a running QEMU domain. This flaw affects the polkit access control driver. Specifically, clients connecting to the read-write socket with lim

Affects 8 Linux releases across 8 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-25637 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • libvirt→ fixed in6.8.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libvirt

Debian bookworm

Source: Debian Security Tracker

  • libvirt→ fixed in6.8.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libvirt

Debian trixie

Source: Debian Security Tracker

  • libvirt→ fixed in6.8.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y libvirt

Alpine v3.20

Source: Alpine secdb

  • libvirt→ fixed in6.8.0-r0
    apk update && apk add --upgrade libvirt

Alpine v3.21

Source: Alpine secdb

  • libvirt→ fixed in6.8.0-r0
    apk update && apk add --upgrade libvirt

Alpine edge

Source: Alpine secdb

  • libvirt→ fixed in6.8.0-r0
    apk update && apk add --upgrade libvirt

Alpine v3.18

Source: Alpine secdb

  • libvirt→ fixed in6.8.0-r0
    apk update && apk add --upgrade libvirt

Alpine v3.19

Source: Alpine secdb

  • libvirt→ fixed in6.8.0-r0
    apk update && apk add --upgrade libvirt
Are YOU affected by CVE-2020-25637?

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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