CVE-2026-23394 · cross-distro fix matrix

CVE-2026-23394: It was discovered that the Linux kernel algif_aead module did not properly

Affects 2 Linux releases across 50 (distro × package) combinations. First disclosed: 2026-05-19.

Fix per ecosystem

Each block below is a distro release where CVE-2026-23394 has a known fix. Run the listed command on that distro to remediate.

Ubuntu noble

Source: Ubuntu USN

linux-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-azure

linux-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-azure-6.8

linux-azure-cloud-tools-6.8.0-1056→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-azure-cloud-tools-6.8.0-1056

linux-azure-headers-6.8.0-1056→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-azure-headers-6.8.0-1056

linux-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-azure-lts-24.04

linux-azure-tools-6.8.0-1056→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-azure-tools-6.8.0-1056

linux-buildinfo-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-buildinfo-6.8.0-1056-azure

linux-cloud-tools-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-cloud-tools-6.8.0-1056-azure

linux-cloud-tools-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-cloud-tools-azure-6.8

linux-cloud-tools-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-cloud-tools-azure-lts-24.04

linux-headers-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-headers-6.8.0-1056-azure

linux-headers-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-headers-azure-6.8

linux-headers-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-headers-azure-lts-24.04

linux-image-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-image-6.8.0-1056-azure

linux-image-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-image-azure-6.8

linux-image-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-image-azure-lts-24.04

linux-image-uc-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-image-uc-6.8.0-1056-azure

linux-image-uc-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-image-uc-azure-6.8

linux-image-uc-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-image-uc-azure-lts-24.04

linux-image-unsigned-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-image-unsigned-6.8.0-1056-azure

linux-modules-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-6.8.0-1056-azure

linux-modules-extra-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-extra-6.8.0-1056-azure

linux-modules-extra-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-extra-azure-6.8

linux-modules-extra-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-extra-azure-lts-24.04

linux-modules-involflt-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-involflt-6.8.0-1056-azure

linux-modules-involflt-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-involflt-azure-6.8

linux-modules-involflt-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-involflt-azure-lts-24.04

linux-modules-iwlwifi-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-iwlwifi-6.8.0-1056-azure

linux-modules-iwlwifi-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-iwlwifi-azure-6.8

linux-modules-iwlwifi-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-modules-iwlwifi-azure-lts-24.04

linux-tools-6.8.0-1056-azure→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-tools-6.8.0-1056-azure

linux-tools-azure-6.8→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-tools-azure-6.8

linux-tools-azure-lts-24.04→ fixed in6.8.0-1056.62USN-8278-2

sudo apt-get install --only-upgrade -y linux-tools-azure-lts-24.04

Ubuntu jammy

Source: Ubuntu USN

linux-ibm-6.8→ fixed in6.8.0-1055.56~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-ibm-6.8
```
linux-lowlatency-hwe-6.8→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-lowlatency-hwe-6.8
```
linux-realtime-6.8→ fixed in6.8.1-1051.52~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-realtime-6.8
```
linux-buildinfo-6.8.0-1055-ibm→ fixed in6.8.0-1055.56~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-buildinfo-6.8.0-1055-ibm
```
linux-buildinfo-6.8.0-117-lowlatency→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-buildinfo-6.8.0-117-lowlatency
```
linux-buildinfo-6.8.0-117-lowlatency-64k→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-buildinfo-6.8.0-117-lowlatency-64k
```
linux-buildinfo-6.8.1-1051-realtime→ fixed in6.8.1-1051.52~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-buildinfo-6.8.1-1051-realtime
```
linux-cloud-tools-6.8.0-117-lowlatency→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-cloud-tools-6.8.0-117-lowlatency
```
linux-cloud-tools-6.8.1-1051-realtime→ fixed in6.8.1-1051.52~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-cloud-tools-6.8.1-1051-realtime
```
linux-cloud-tools-lowlatency-6.8→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-6.8
```
linux-cloud-tools-lowlatency-hwe-22.04→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-hwe-22.04
```
linux-cloud-tools-lowlatency-hwe-22.04-edge→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-cloud-tools-lowlatency-hwe-22.04-edge
```
linux-headers-6.8.0-1055-ibm→ fixed in6.8.0-1055.56~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-headers-6.8.0-1055-ibm
```
linux-headers-6.8.0-117-lowlatency→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-headers-6.8.0-117-lowlatency
```
linux-headers-6.8.0-117-lowlatency-64k→ fixed in6.8.0-117.117.1~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-headers-6.8.0-117-lowlatency-64k
```
linux-headers-6.8.1-1051-realtime→ fixed in6.8.1-1051.52~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-headers-6.8.1-1051-realtime
```
linux-headers-ibm-6.8→ fixed in6.8.0-1055.56~22.04.1USN-8278-1
```
sudo apt-get install --only-upgrade -y linux-headers-ibm-6.8
```

Are YOU affected by CVE-2026-23394?

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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Continuous monitoring beats manual checking

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