EUVD-2026-57921

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests ccacipher2protkey 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...

CVE-2026-68452 s390/zcrypt: Validate length for CCA AES cipher key requests

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests ccacipher2protkey 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...

EUVD-2026-57920

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests ccaecc2protkey 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 excee...

CVE-2026-68451

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests ccaecc2protkey 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 excee...

CVE-2026-68451

The CVE-2026-68451 issue affects the Linux kernel s390 zcrypt module. The cca_ecc2protkey() function derives the CPRB copy length from the key token’s length field and now rejects requests where the token length exceeds the available space in the parameter block, addressing a memory-corruption ri...

CVE-2026-68451 s390/zcrypt: Validate length for CCA ECC private key requests

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests ccaecc2protkey 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 excee...

PT-2026-71614

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...

CVE-2026-68452

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA AES cipher key requests ccacipher2protkey 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...

PT-2026-71615

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix buffer over-read in cca cipher2protkey Add validation of both the actual key buffer size and token length fields in all the cca check sectoken functions. Additionally check in cca gencipherkey for possible...

Linux Distros Unpatched Vulnerability : CVE-2026-68453

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/zcrypt: Fix buffer over-read in ccacipher2protkey Add validation of both the actual key buffer size and token length fields in all the ccachecksectoken...

CVE-2026-68453

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix buffer over-read in ccacipher2protkey Add validation of both the actual key buffer size and token length fields in all the ccachecksectoken functions. Additionally check in ccagencipherkey for possible underflow...

CVE-2026-68451

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests ccaecc2protkey 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 excee...

Linux Distros Unpatched Vulnerability : CVE-2026-68452

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/zcrypt: Validate length for CCA AES cipher key requests ccacipher2protkey derives the copy length for the CPRB parameter block directly from the length fie...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: s390/zcrypt: Fixed a memory leak when CCA cards are used as accelerators. Tests revealed that a memory leak occurs when CCA cards are used as accelerators for clear-key RSA requests ME and CRT. With the latest modifications to...

SUSE CVE-2026-31746

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA requests ME and CRT. With the last rework for the memory allocation t...

Linux Distros Unpatched Vulnerability : CVE-2026-31746

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA...

CVE-2026-31746

A flaw was found in the Linux kernel's s390/zcrypt component. When Common Cryptographic Architecture CCA cards are used as accelerators for clear key RSA requests, a memory leak occurs due to an unreleased memory allocation. Over time, this memory leak can lead to a denial of service DoS conditio...

CVE-2026-31746

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA requests ME and CRT. With the last rework for the memory allocation t...

CVE-2026-31746

CVE-2026-31746 concerns the Linux kernel’s s390/zcrypt component. When Common Cryptographic Architecture (CCA) cards are used as accelerators for clear key RSA requests (ME and CRT), a memory leak occurs due to an unreleased memory allocation in the AP message handling. The issue stems from a rew...

CVE-2026-31746 s390/zcrypt: Fix memory leak with CCA cards used as accelerator

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Fix memory leak with CCA cards used as accelerator Tests showed that there is a memory leak if CCA cards are used as accelerator for clear key RSA requests ME and CRT. With the last rework for the memory allocation t...