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CVE-2018-19044 · cross-distro fix matrix

CVE-2018-19044: keepalived 2.0.8 didn't check for pathnames with symlinks when writing data to a temporary file upon a call to PrintData or PrintStats. This allowed local users to overwrite arbitrary files if fs.protected_symlinks is set to 0, as demonstrated by a symlink from /tmp/keepalived.data or /tmp/keepalive

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

Fix per ecosystem

Each block below is a distro release where CVE-2018-19044 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • keepalived→ fixed in1:2.0.10-1urgency: unimportant
    sudo apt-get install --only-upgrade -y keepalived

Debian bookworm

Source: Debian Security Tracker

  • keepalived→ fixed in1:2.0.10-1urgency: unimportant
    sudo apt-get install --only-upgrade -y keepalived

Debian trixie

Source: Debian Security Tracker

  • keepalived→ fixed in1:2.0.10-1urgency: unimportant
    sudo apt-get install --only-upgrade -y keepalived

Alpine v3.20

Source: Alpine secdb

  • keepalived→ fixed in2.0.11-r0
    apk update && apk add --upgrade keepalived

Alpine v3.21

Source: Alpine secdb

  • keepalived→ fixed in2.0.11-r0
    apk update && apk add --upgrade keepalived

Alpine edge

Source: Alpine secdb

  • keepalived→ fixed in2.0.11-r0
    apk update && apk add --upgrade keepalived

Alpine v3.18

Source: Alpine secdb

  • keepalived→ fixed in2.0.11-r0
    apk update && apk add --upgrade keepalived

Alpine v3.19

Source: Alpine secdb

  • keepalived→ fixed in2.0.11-r0
    apk update && apk add --upgrade keepalived
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