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CVE-2026-43503 · cross-distro fix matrix

CVE-2026-43503: It was discovered that the Linux kernel algif_aead module did not properly

Affects 1 Linux release across 50 (distro × package) combinations. First disclosed: 2026-05-23.

CVSS v3:HIGH · 8.8(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-43503 has a known fix. Run the listed command on that distro to remediate.

Ubuntu noble

Source: Ubuntu USN

  • linux-aws-6.17→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-6.17
  • linux-gcp-6.17→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp-6.17
  • linux-aws→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws
  • linux-aws-6.17-cloud-tools-6.17.0-1017→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-6.17-cloud-tools-6.17.0-1017
  • linux-aws-6.17-headers-6.17.0-1017→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-6.17-headers-6.17.0-1017
  • linux-aws-6.17-tools-6.17.0-1017→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-6.17-tools-6.17.0-1017
  • linux-aws-64k→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-64k
  • linux-aws-64k-6.17→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-64k-6.17
  • linux-aws-64k-edge→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-64k-edge
  • linux-aws-edge→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-aws-edge
  • linux-buildinfo-6.17.0-1017-aws→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-buildinfo-6.17.0-1017-aws
  • linux-buildinfo-6.17.0-1017-aws-64k→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-buildinfo-6.17.0-1017-aws-64k
  • linux-buildinfo-6.17.0-1018-gcp→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-buildinfo-6.17.0-1018-gcp
  • linux-buildinfo-6.17.0-1018-gcp-64k→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-buildinfo-6.17.0-1018-gcp-64k
  • linux-cloud-tools-6.17.0-1017-aws→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-cloud-tools-6.17.0-1017-aws
  • linux-cloud-tools-6.17.0-1017-aws-64k→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-cloud-tools-6.17.0-1017-aws-64k
  • linux-gcp→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp
  • linux-gcp-6.17-headers-6.17.0-1018→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp-6.17-headers-6.17.0-1018
  • linux-gcp-6.17-tools-6.17.0-1018→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp-6.17-tools-6.17.0-1018
  • linux-gcp-64k→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp-64k
  • linux-gcp-64k-6.17→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp-64k-6.17
  • linux-gcp-64k-edge→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp-64k-edge
  • linux-gcp-edge→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-gcp-edge
  • linux-headers-6.17.0-1017-aws→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-6.17.0-1017-aws
  • linux-headers-6.17.0-1017-aws-64k→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-6.17.0-1017-aws-64k
  • linux-headers-6.17.0-1018-gcp→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-6.17.0-1018-gcp
  • linux-headers-6.17.0-1018-gcp-64k→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-6.17.0-1018-gcp-64k
  • linux-headers-aws→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-aws
  • linux-headers-aws-6.17→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-aws-6.17
  • linux-headers-aws-64k→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-aws-64k
  • linux-headers-aws-64k-6.17→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-aws-64k-6.17
  • linux-headers-aws-64k-edge→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-aws-64k-edge
  • linux-headers-aws-edge→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-aws-edge
  • linux-headers-gcp→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-gcp
  • linux-headers-gcp-6.17→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-gcp-6.17
  • linux-headers-gcp-64k→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-gcp-64k
  • linux-headers-gcp-64k-6.17→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-gcp-64k-6.17
  • linux-headers-gcp-64k-edge→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-gcp-64k-edge
  • linux-headers-gcp-edge→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-headers-gcp-edge
  • linux-image-6.17.0-1017-aws→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-6.17.0-1017-aws
  • linux-image-6.17.0-1017-aws-64k→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-6.17.0-1017-aws-64k
  • linux-image-6.17.0-1018-gcp→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-6.17.0-1018-gcp
  • linux-image-6.17.0-1018-gcp-64k→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-6.17.0-1018-gcp-64k
  • linux-image-aws→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-aws
  • linux-image-aws-6.17→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-aws-6.17
  • linux-image-aws-64k→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-aws-64k
  • linux-image-aws-64k-6.17→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-aws-64k-6.17
  • linux-image-aws-64k-edge→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-aws-64k-edge
  • linux-image-aws-edge→ fixed in6.17.0-1017.17~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-aws-edge
  • linux-image-gcp→ fixed in6.17.0-1018.19~24.04.1USN-8374-1
    sudo apt-get install --only-upgrade -y linux-image-gcp
Are YOU affected by CVE-2026-43503?

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curl https://mindsparkstack.com/scan.sh | bash
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