CVE-2026-68452

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Source
https://cve.org/CVERecord?id=CVE-2026-68452
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68452.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-68452
Downstream
Published
2026-08-13T13:59:54Z
Modified
2026-08-21T03:30:25Z
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 AES cipher key requests
Details

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 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-2026-68452.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
4bc123b18ce6ae6c42c69d0456b5acbd2f7bc8bd
Fixed
be037204e4f595e4bd2159acda146677a1dc6342
Fixed
4e500ecb6704d879f9c2417c2ed6faba595015ca
Fixed
7f9e5a3dbb14a9b321a1dfa30390402c673f82dc
Fixed
406b317ea2b501f6f5eca1264293c9399a73a778
Fixed
4fc46deceda076d429ef3fab2ccf8d96629ebd23
Fixed
ad93a1f1a45652478c0cf4eb029114e03af57f3b
Fixed
3859f630b674801a00bca39bc451f52288591f65
Fixed
06afe425d5283b9764303de47f554da5a808ce8a

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-68452.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.4.0
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-2026-68452.json"