CVE-2026-68451

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 exceeds the available space in the parameter block.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1
https://git.kernel.org/stable/c/447a37a6bef11bfd3645069e380460b11386e2b9
https://git.kernel.org/stable/c/7dc306ff7c4d951582adaae65e0aee9fb4968dbe
https://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159
https://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730
https://git.kernel.org/stable/c/dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e
https://git.kernel.org/stable/c/ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5
https://git.kernel.org/stable/c/f0831f13c42c1261d449dcee8a035e1c6cd9fcaa

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-13 15:19

Updated : 2026-08-19 17:20

NVD link : CVE-2026-68451

Mitre link : CVE-2026-68451

CVE.ORG link : CVE-2026-68451

JSON object : View

Products Affected

No product.

CWE

No CWE.

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