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CVE-2022-4283 · cross-distro fix matrix

CVE-2022-4283: A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server i

Affects 8 Linux releases across 15 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2022-4283 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • xorg-server→ fixed in2:1.20.11-1+deb11u4urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xorg-server

Debian bookworm

Source: Debian Security Tracker

  • xorg-server→ fixed in2:21.1.5-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xorg-server
  • xwayland→ fixed in2:22.1.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xwayland

Debian trixie

Source: Debian Security Tracker

  • xorg-server→ fixed in2:21.1.5-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xorg-server
  • xwayland→ fixed in2:22.1.6-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y xwayland

Alpine v3.20

Source: Alpine secdb

  • xorg-server→ fixed in21.1.5-r0
    apk update && apk add --upgrade xorg-server
  • xwayland→ fixed in22.1.6-r0
    apk update && apk add --upgrade xwayland

Alpine v3.21

Source: Alpine secdb

  • xorg-server→ fixed in21.1.5-r0
    apk update && apk add --upgrade xorg-server
  • xwayland→ fixed in22.1.6-r0
    apk update && apk add --upgrade xwayland

Alpine edge

Source: Alpine secdb

  • xorg-server→ fixed in21.1.5-r0
    apk update && apk add --upgrade xorg-server
  • xwayland→ fixed in22.1.6-r0
    apk update && apk add --upgrade xwayland

Alpine v3.18

Source: Alpine secdb

  • xorg-server→ fixed in21.1.5-r0
    apk update && apk add --upgrade xorg-server
  • xwayland→ fixed in22.1.6-r0
    apk update && apk add --upgrade xwayland

Alpine v3.19

Source: Alpine secdb

  • xorg-server→ fixed in21.1.5-r0
    apk update && apk add --upgrade xorg-server
  • xwayland→ fixed in22.1.6-r0
    apk update && apk add --upgrade xwayland
Are YOU affected by CVE-2022-4283?

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