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CVE-2022-21233 · cross-distro fix matrix

CVE-2022-21233: Improper isolation of shared resources in some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

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

Fix per ecosystem

Each block below is a distro release where CVE-2022-21233 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • intel-microcode→ fixed in3.20230214.1~deb11u1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y intel-microcode

Debian bookworm

Source: Debian Security Tracker

  • intel-microcode→ fixed in3.20220809.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y intel-microcode

Debian trixie

Source: Debian Security Tracker

  • intel-microcode→ fixed in3.20220809.1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y intel-microcode

Alpine v3.20

Source: Alpine secdb

  • intel-ucode→ fixed in20220809-r0
    apk update && apk add --upgrade intel-ucode

Alpine v3.21

Source: Alpine secdb

  • intel-ucode→ fixed in20220809-r0
    apk update && apk add --upgrade intel-ucode

Alpine edge

Source: Alpine secdb

  • intel-ucode→ fixed in20220809-r0
    apk update && apk add --upgrade intel-ucode

Alpine v3.18

Source: Alpine secdb

  • intel-ucode→ fixed in20220809-r0
    apk update && apk add --upgrade intel-ucode

Alpine v3.19

Source: Alpine secdb

  • intel-ucode→ fixed in20220809-r0
    apk update && apk add --upgrade intel-ucode
Are YOU affected by CVE-2022-21233?

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