CVE-2026-68451

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Source
https://cve.org/CVERecord?id=CVE-2026-68451
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68451.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-68451
Downstream
Published
2026-08-13T13:59:53Z
Modified
2026-08-21T03:30:26Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
s390/zcrypt: Validate length for CCA ECC private key requests
Details

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.

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68451.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
fa6999e326fe7851ecbd572b8cb9be8e930ebf41
Fixed
7dc306ff7c4d951582adaae65e0aee9fb4968dbe
Fixed
447a37a6bef11bfd3645069e380460b11386e2b9
Fixed
f0831f13c42c1261d449dcee8a035e1c6cd9fcaa
Fixed
dd25bd9b0f36849808bd7625dcc59dd4c1aeef3e
Fixed
ecc3b8691c1935f9f3e4eb964ab11e40fdec17f5
Fixed
013a4484f061a2b41f052e25c0015203287e63f1
Fixed
8fa3e9435a13c335efb63fb4f4e77531a0031159
Fixed
a9ae0f6dd45c3ccc1d69363f7aea8af179122730

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68451.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.10.0
Fixed
5.10.265
Type
ECOSYSTEM
Events
Introduced
5.11.0
Fixed
5.15.216
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.183
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.151
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.103
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.18.44
Type
ECOSYSTEM
Events
Introduced
6.19.0
Fixed
7.1.8

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68451.json"