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CVE-2026-43371 · cross-distro fix matrix

CVE-2026-43371: It was discovered that some AMD processors did not properly clear data in

Affects 2 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-05-08.

Fix per ecosystem

Each block below is a distro release where CVE-2026-43371 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

  • linux-lowlatency-hwe-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-6.8
  • linux-buildinfo-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-buildinfo-6.8.0-136-lowlatency
  • linux-buildinfo-6.8.0-136-lowlatency-64k→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-buildinfo-6.8.0-136-lowlatency-64k
  • linux-cloud-tools-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-cloud-tools-6.8.0-136-lowlatency
  • linux-cloud-tools-lowlatency-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-6.8
  • linux-cloud-tools-lowlatency-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-hwe-22.04
  • linux-cloud-tools-lowlatency-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-hwe-22.04-edge
  • linux-headers-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-6.8.0-136-lowlatency
  • linux-headers-6.8.0-136-lowlatency-64k→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-6.8.0-136-lowlatency-64k
  • linux-headers-lowlatency-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-6.8
  • linux-headers-lowlatency-64k-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-64k-6.8
  • linux-headers-lowlatency-64k-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-64k-hwe-22.04
  • linux-headers-lowlatency-64k-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-64k-hwe-22.04-edge
  • linux-headers-lowlatency-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-hwe-22.04
  • linux-headers-lowlatency-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-headers-lowlatency-hwe-22.04-edge
  • linux-image-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-6.8.0-136-lowlatency
  • linux-image-6.8.0-136-lowlatency-64k→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-6.8.0-136-lowlatency-64k
  • linux-image-lowlatency-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-6.8
  • linux-image-lowlatency-64k-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-64k-6.8
  • linux-image-lowlatency-64k-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-64k-hwe-22.04
  • linux-image-lowlatency-64k-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-64k-hwe-22.04-edge
  • linux-image-lowlatency-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-hwe-22.04
  • linux-image-lowlatency-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-lowlatency-hwe-22.04-edge
  • linux-image-unsigned-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-unsigned-6.8.0-136-lowlatency
  • linux-image-unsigned-6.8.0-136-lowlatency-64k→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-image-unsigned-6.8.0-136-lowlatency-64k
  • linux-lowlatency-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-6.8
  • linux-lowlatency-64k-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-64k-6.8
  • linux-lowlatency-64k-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-64k-hwe-22.04
  • linux-lowlatency-64k-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-64k-hwe-22.04-edge
  • linux-lowlatency-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-22.04
  • linux-lowlatency-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-22.04-edge
  • linux-lowlatency-hwe-6.8-cloud-tools-6.8.0-136→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-6.8-cloud-tools-6.8.0-136
  • linux-lowlatency-hwe-6.8-headers-6.8.0-136→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-6.8-headers-6.8.0-136
  • linux-lowlatency-hwe-6.8-lib-rust-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-6.8-lib-rust-6.8.0-136-lowlatency
  • linux-lowlatency-hwe-6.8-tools-6.8.0-136→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-6.8-tools-6.8.0-136
  • linux-modules-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-modules-6.8.0-136-lowlatency
  • linux-modules-6.8.0-136-lowlatency-64k→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-modules-6.8.0-136-lowlatency-64k
  • linux-modules-iwlwifi-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-modules-iwlwifi-6.8.0-136-lowlatency
  • linux-modules-iwlwifi-lowlatency-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-modules-iwlwifi-lowlatency-6.8
  • linux-modules-iwlwifi-lowlatency-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-modules-iwlwifi-lowlatency-hwe-22.04
  • linux-modules-iwlwifi-lowlatency-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-modules-iwlwifi-lowlatency-hwe-22.04-edge
  • linux-tools-6.8.0-136-lowlatency→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-6.8.0-136-lowlatency
  • linux-tools-6.8.0-136-lowlatency-64k→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-6.8.0-136-lowlatency-64k
  • linux-tools-lowlatency-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-6.8
  • linux-tools-lowlatency-64k-6.8→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-64k-6.8
  • linux-tools-lowlatency-64k-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-64k-hwe-22.04
  • linux-tools-lowlatency-64k-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-64k-hwe-22.04-edge
  • linux-tools-lowlatency-hwe-22.04→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-hwe-22.04
  • linux-tools-lowlatency-hwe-22.04-edge→ fixed in6.8.0-136.136.2~22.04.1USN-8574-2
    sudo apt-get install --only-upgrade -y linux-tools-lowlatency-hwe-22.04-edge

Ubuntu noble

Source: Ubuntu USN

  • linux-fips→ fixed in6.8.0-136.136+fips2USN-8574-2
    sudo apt-get install --only-upgrade -y linux-fips
Are YOU affected by CVE-2026-43371?

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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