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-2026-57921

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...

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 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...

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 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...

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...

PT-2026-71613

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: Validate length for CCA ECC private key requests cca ecc2protkey 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-2026-71614

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...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-68451

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 ECC private key requests ccaecc2protkey derives the copy length for the CPRB parameter block directly from the length field...

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...

EUVD-2026-39570

The ML-KEM ARM64 NEON ciphertext comparison only compares half of the input, breaking the Fujisaki-Okamoto transform's implicit rejection and weakening IND-CCA2 security on that code path. The constant-time comparison effectively ignored part of the re-encrypted ciphertext, so a decapsulating par...

CVE-2026-6330

The ML-KEM ARM64 NEON ciphertext comparison only compares half of the input, breaking the Fujisaki-Okamoto transform's implicit rejection and weakening IND-CCA2 security on that code path. The constant-time comparison effectively ignored part of the re-encrypted ciphertext, so a decapsulating par...

CVE-2026-6330 ML-KEM ARM64 NEON ciphertext comparison only compares half of the input

The ML-KEM ARM64 NEON ciphertext comparison only compares half of the input, breaking the Fujisaki-Okamoto transform's implicit rejection and weakening IND-CCA2 security on that code path. The constant-time comparison effectively ignored part of the re-encrypted ciphertext, so a decapsulating par...

PT-2026-52603

Name of the Vulnerable Software and Affected Versions ML-KEM affected versions not specified Description An issue exists in the ARM64 NEON ciphertext comparison where only half of the input is compared. This failure breaks the implicit rejection of the Fujisaki-Okamoto transform—a method used to...

PT-2026-52560

Name of the Vulnerable Software and Affected Versions wolfSSL affected versions not specified Description The AVX2-optimized ML-KEM implementation contains a logic error in the mlkem cmp avx2 function during the Fujisaki-Okamoto transform. In ML-KEM-1024 decapsulation, the constant-time ciphertex...

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...