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VULNERABILITIES

CVE-2026-68451 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://git.kernel.org/stable/c/013a4484f061a2b41f052e25c0015203287e63f1 kernel.org
https://git.kernel.org/stable/c/447a37a6bef11bfd3645069e380460b11386e2b9 kernel.org
https://git.kernel.org/stable/c/7dc306ff7c4d951582adaae65e0aee9fb4968dbe kernel.org
https://git.kernel.org/stable/c/8fa3e9435a13c335efb63fb4f4e77531a0031159 kernel.org
https://git.kernel.org/stable/c/a9ae0f6dd45c3ccc1d69363f7aea8af179122730 kernel.org

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')CISA-ADP

Affected Products

No affected product data is available for this CVE.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-68451
NVD Published Date:
Aug 13, 2026
NVD Last Modified:
Oct 19, 2026
Source:
kernel.org
CVE-2026-68451 Details - Not Deferred