In the Linux kernel, the following vulnerability has been resolved:
s390/zcrypt: Validate length for CCA AES cipher key requests
cca_cipher2protkey() derives the copy length for the CPRB parameter block directly from the length field in the key token. Reject the request early if the token length exceeds the available space in the parameter block.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.12Upgrade linux | Aug 26, 2026 | Aug 26, 2026 |
| Redhat_linux | — | No solution exists | Aug 17, 2026 | Aug 13, 2026 |
| Ubuntu | — | Upgrade linux-image-ibm-5.15Upgrade linux-image-lowlatencyUpgrade linux-image-oem-20.04bUpgrade linux-image-gcp-fips-5.15Upgrade linux-image-6.8.0-1036-nvidia-tegra-rtUpgrade linux-image-lowlatency-64kUpgrade linux-image-azureUpgrade linux-image-generic-64kUpgrade linux-image-kvm-5.15Upgrade linux-image-5.15.0-1116-realtimeUpgrade linux-image-intel-iotg-5.15Upgrade linux-image-gke-5.15Upgrade linux-image-oracle-5.15Upgrade linux-image-5.15.0-1123-azure-fipsUpgrade linux-image-5.15.0-195-lowlatencyUpgrade linux-image-nvidia-tegraUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-5.15.0-198-generic-lpaeUpgrade linux-image-nvidia-5.15Upgrade linux-image-nvidia-lowlatencyUpgrade linux-image-5.15.0-1118-gcpUpgrade linux-image-azure-fipsUpgrade linux-image-azure-lts-22.04Upgrade linux-image-gkeop-5.15Upgrade linux-image-ibmUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-5.15.0-1112-nvidiaUpgrade linux-image-azure-fdeUpgrade linux-image-5.15.0-1113-gkeUpgrade linux-image-azure-5.15Upgrade linux-image-5.15.0-1123-azureUpgrade linux-image-5.15.0-198-fipsUpgrade linux-image-generic-64k-5.15Upgrade linux-image-5.15.0-1117-aws-fipsUpgrade linux-image-5.15.0-1109-intel-iot-realtimeUpgrade linux-image-gkeopUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-realtime-5.15Upgrade linux-image-5.15.0-1114-oracleUpgrade linux-image-gcp-fipsUpgrade linux-image-intel-iotgUpgrade linux-image-intelUpgrade linux-image-generic-hwe-20.04Upgrade linux-image-intel-iot-realtime-5.15Upgrade linux-image-nvidia-lowlatency-5.15Upgrade linux-image-aws-fips-5.15Upgrade linux-image-azure-fde-5.15Upgrade linux-image-genericUpgrade linux-image-nvidiaUpgrade linux-image-oem-20.04cUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-5.15.0-1122-azure-fdeUpgrade linux-image-5.15.0-1112-intel-iotgUpgrade linux-image-5.15.0-198-genericUpgrade linux-image-5.15.0-1117-aws-64kUpgrade linux-image-5.15.0-1109-kvmUpgrade linux-image-virtual-5.15Upgrade linux-image-azure-fips-5.15Upgrade linux-image-aws-lts-22.04Upgrade linux-image-aws-64k-5.15Upgrade linux-image-5.15.0-198-generic-64kUpgrade linux-image-5.15.0-195-lowlatency-64kUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-5.15.0-1118-gcp-fipsUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-azure-cvmUpgrade linux-image-6.8.0-1036-nvidia-tegraUpgrade linux-image-oem-20.04dUpgrade linux-image-fips-5.15Upgrade linux-image-aws-64k-lts-22.04Upgrade linux-image-5.15.0-1117-awsUpgrade linux-image-virtualUpgrade linux-image-kvmUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-oem-20.04Upgrade linux-image-lowlatency-64k-5.15Upgrade linux-image-aws-fipsUpgrade linux-image-5.15.0-1112-nvidia-lowlatencyUpgrade linux-image-generic-lpaeUpgrade linux-image-aws-5.15Upgrade linux-image-5.15.0-1080-xilinx-zynqmpUpgrade linux-image-fipsUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-gcp-5.15Upgrade linux-image-gcpUpgrade linux-image-awsUpgrade linux-image-5.15.0-1111-ibmUpgrade linux-image-generic-5.15Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-oracleUpgrade linux-image-gkeUpgrade linux-image-realtimeUpgrade linux-image-xilinx-zynqmp-5.15Upgrade linux-image-5.15.0-1100-gkeopUpgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-lowlatency-5.15Upgrade linux-image-generic-lpae-5.15 | Oct 6, 2026 | Oct 6, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 17, 2026 | Aug 13, 2026 |
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